40453840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:149

約数の個数: 160

約数和(自身を含む): 115706880

約数和(自身を除く): 75253040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 47, 53, 56, 58, 70, 80, 94, 106, 112, 116, 140, 145, 188, 203, 212, 232, 235, 265, 280, 290, 329, 371, 376, 406, 424, 464, 470, 530, 560, 580, 658, 742, 752, 812, 848, 940, 1015, 1060, 1160, 1316, 1363, 1484, 1537, 1624, 1645, 1855, 1880, 2030, 2120, 2320, 2491, 2632, 2726, 2968, 3074, 3248, 3290, 3710, 3760, 4060, 4240, 4982, 5264, 5452, 5936, 6148, 6580, 6815, 7420, 7685, 8120, 9541, 9964, 10759, 10904, 12296, 12455, 13160, 13630, 14840, 15370, 16240, 17437, 19082, 19928, 21518, 21808, 24592, 24910, 26320, 27260, 29680, 30740, 34874, 38164, 39856, 43036, 47705, 49820, 53795, 54520, 61480, 69748, 72239, 76328, 86072, 87185, 95410, 99640, 107590, 109040, 122960, 139496, 144478, 152656, 172144, 174370, 190820, 199280, 215180, 278992, 288956, 348740, 361195, 381640, 430360, 505673, 577912, 697480, 722390, 763280, 860720, 1011346, 1155824, 1394960, 1444780, 2022692, 2528365, 2889560, 4045384, 5056730, 5779120, 8090768, 10113460, 20226920, 40453840]

約数ペア:

[(1, 40453840), (2, 20226920), (4, 10113460), (5, 8090768), (7, 5779120), (8, 5056730), (10, 4045384), (14, 2889560), (16, 2528365), (20, 2022692), (28, 1444780), (29, 1394960), (35, 1155824), (40, 1011346), (47, 860720), (53, 763280), (56, 722390), (58, 697480), (70, 577912), (80, 505673), (94, 430360), (106, 381640), (112, 361195), (116, 348740), (140, 288956), (145, 278992), (188, 215180), (203, 199280), (212, 190820), (232, 174370), (235, 172144), (265, 152656), (280, 144478), (290, 139496), (329, 122960), (371, 109040), (376, 107590), (406, 99640), (424, 95410), (464, 87185), (470, 86072), (530, 76328), (560, 72239), (580, 69748), (658, 61480), (742, 54520), (752, 53795), (812, 49820), (848, 47705), (940, 43036), (1015, 39856), (1060, 38164), (1160, 34874), (1316, 30740), (1363, 29680), (1484, 27260), (1537, 26320), (1624, 24910), (1645, 24592), (1855, 21808), (1880, 21518), (2030, 19928), (2120, 19082), (2320, 17437), (2491, 16240), (2632, 15370), (2726, 14840), (2968, 13630), (3074, 13160), (3248, 12455), (3290, 12296), (3710, 10904), (3760, 10759), (4060, 9964), (4240, 9541), (4982, 8120), (5264, 7685), (5452, 7420), (5936, 6815), (6148, 6580)]