40874120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:343

約数の個数: 128

約数和(自身を含む): 115292160

約数和(自身を除く): 74418040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 31, 34, 35, 40, 56, 62, 68, 70, 85, 119, 124, 136, 140, 155, 170, 217, 238, 248, 277, 280, 310, 340, 434, 476, 527, 554, 595, 620, 680, 868, 952, 1054, 1085, 1108, 1190, 1240, 1385, 1736, 1939, 2108, 2170, 2216, 2380, 2635, 2770, 3689, 3878, 4216, 4340, 4709, 4760, 5270, 5540, 7378, 7756, 8587, 8680, 9418, 9695, 10540, 11080, 14756, 15512, 17174, 18445, 18836, 19390, 21080, 23545, 29512, 32963, 34348, 36890, 37672, 38780, 42935, 47090, 60109, 65926, 68696, 73780, 77560, 85870, 94180, 120218, 131852, 145979, 147560, 164815, 171740, 188360, 240436, 263704, 291958, 300545, 329630, 343480, 480872, 583916, 601090, 659260, 729895, 1021853, 1167832, 1202180, 1318520, 1459790, 2043706, 2404360, 2919580, 4087412, 5109265, 5839160, 8174824, 10218530, 20437060, 40874120]

約数ペア:

[(1, 40874120), (2, 20437060), (4, 10218530), (5, 8174824), (7, 5839160), (8, 5109265), (10, 4087412), (14, 2919580), (17, 2404360), (20, 2043706), (28, 1459790), (31, 1318520), (34, 1202180), (35, 1167832), (40, 1021853), (56, 729895), (62, 659260), (68, 601090), (70, 583916), (85, 480872), (119, 343480), (124, 329630), (136, 300545), (140, 291958), (155, 263704), (170, 240436), (217, 188360), (238, 171740), (248, 164815), (277, 147560), (280, 145979), (310, 131852), (340, 120218), (434, 94180), (476, 85870), (527, 77560), (554, 73780), (595, 68696), (620, 65926), (680, 60109), (868, 47090), (952, 42935), (1054, 38780), (1085, 37672), (1108, 36890), (1190, 34348), (1240, 32963), (1385, 29512), (1736, 23545), (1939, 21080), (2108, 19390), (2170, 18836), (2216, 18445), (2380, 17174), (2635, 15512), (2770, 14756), (3689, 11080), (3878, 10540), (4216, 9695), (4340, 9418), (4709, 8680), (4760, 8587), (5270, 7756), (5540, 7378)]