40555480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{601}}^1$

素因数の和:860

約数の個数: 64

約数和(自身を含む): 104892480

約数和(自身を除く): 64337000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 241, 280, 482, 601, 964, 1202, 1205, 1687, 1928, 2404, 2410, 3005, 3374, 4207, 4808, 4820, 6010, 6748, 8414, 8435, 9640, 12020, 13496, 16828, 16870, 21035, 24040, 33656, 33740, 42070, 67480, 84140, 144841, 168280, 289682, 579364, 724205, 1013887, 1158728, 1448410, 2027774, 2896820, 4055548, 5069435, 5793640, 8111096, 10138870, 20277740, 40555480]

約数ペア:

[(1, 40555480), (2, 20277740), (4, 10138870), (5, 8111096), (7, 5793640), (8, 5069435), (10, 4055548), (14, 2896820), (20, 2027774), (28, 1448410), (35, 1158728), (40, 1013887), (56, 724205), (70, 579364), (140, 289682), (241, 168280), (280, 144841), (482, 84140), (601, 67480), (964, 42070), (1202, 33740), (1205, 33656), (1687, 24040), (1928, 21035), (2404, 16870), (2410, 16828), (3005, 13496), (3374, 12020), (4207, 9640), (4808, 8435), (4820, 8414), (6010, 6748)]