40045880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:261

約数の個数: 128

約数和(自身を含む): 111974400

約数和(自身を除く): 71928520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 47, 56, 68, 70, 85, 94, 119, 136, 140, 170, 179, 188, 235, 238, 280, 329, 340, 358, 376, 470, 476, 595, 658, 680, 716, 799, 895, 940, 952, 1190, 1253, 1316, 1432, 1598, 1645, 1790, 1880, 2380, 2506, 2632, 3043, 3196, 3290, 3580, 3995, 4760, 5012, 5593, 6086, 6265, 6392, 6580, 7160, 7990, 8413, 10024, 11186, 12172, 12530, 13160, 15215, 15980, 16826, 21301, 22372, 24344, 25060, 27965, 30430, 31960, 33652, 42065, 42602, 44744, 50120, 55930, 58891, 60860, 67304, 84130, 85204, 106505, 111860, 117782, 121720, 143021, 168260, 170408, 213010, 223720, 235564, 286042, 294455, 336520, 426020, 471128, 572084, 588910, 715105, 852040, 1001147, 1144168, 1177820, 1430210, 2002294, 2355640, 2860420, 4004588, 5005735, 5720840, 8009176, 10011470, 20022940, 40045880]

約数ペア:

[(1, 40045880), (2, 20022940), (4, 10011470), (5, 8009176), (7, 5720840), (8, 5005735), (10, 4004588), (14, 2860420), (17, 2355640), (20, 2002294), (28, 1430210), (34, 1177820), (35, 1144168), (40, 1001147), (47, 852040), (56, 715105), (68, 588910), (70, 572084), (85, 471128), (94, 426020), (119, 336520), (136, 294455), (140, 286042), (170, 235564), (179, 223720), (188, 213010), (235, 170408), (238, 168260), (280, 143021), (329, 121720), (340, 117782), (358, 111860), (376, 106505), (470, 85204), (476, 84130), (595, 67304), (658, 60860), (680, 58891), (716, 55930), (799, 50120), (895, 44744), (940, 42602), (952, 42065), (1190, 33652), (1253, 31960), (1316, 30430), (1432, 27965), (1598, 25060), (1645, 24344), (1790, 22372), (1880, 21301), (2380, 16826), (2506, 15980), (2632, 15215), (3043, 13160), (3196, 12530), (3290, 12172), (3580, 11186), (3995, 10024), (4760, 8413), (5012, 7990), (5593, 7160), (6086, 6580), (6265, 6392)]