25329640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1483}}^1$

素因数の和:1562

約数の個数: 64

約数和(自身を含む): 66245760

約数和(自身を除く): 40916120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1483, 1708, 2135, 2440, 2966, 3416, 4270, 5932, 7415, 8540, 10381, 11864, 14830, 17080, 20762, 29660, 41524, 51905, 59320, 83048, 90463, 103810, 180926, 207620, 361852, 415240, 452315, 633241, 723704, 904630, 1266482, 1809260, 2532964, 3166205, 3618520, 5065928, 6332410, 12664820, 25329640]

約数ペア:

[(1, 25329640), (2, 12664820), (4, 6332410), (5, 5065928), (7, 3618520), (8, 3166205), (10, 2532964), (14, 1809260), (20, 1266482), (28, 904630), (35, 723704), (40, 633241), (56, 452315), (61, 415240), (70, 361852), (122, 207620), (140, 180926), (244, 103810), (280, 90463), (305, 83048), (427, 59320), (488, 51905), (610, 41524), (854, 29660), (1220, 20762), (1483, 17080), (1708, 14830), (2135, 11864), (2440, 10381), (2966, 8540), (3416, 7415), (4270, 5932)]