25172560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{569}}^1$

素因数の和:668

約数の個数: 80

約数和(自身を含む): 67852800

約数和(自身を除く): 42680240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 569, 632, 790, 1106, 1138, 1264, 1580, 2212, 2276, 2765, 2845, 3160, 3983, 4424, 4552, 5530, 5690, 6320, 7966, 8848, 9104, 11060, 11380, 15932, 19915, 22120, 22760, 31864, 39830, 44240, 44951, 45520, 63728, 79660, 89902, 159320, 179804, 224755, 314657, 318640, 359608, 449510, 629314, 719216, 899020, 1258628, 1573285, 1798040, 2517256, 3146570, 3596080, 5034512, 6293140, 12586280, 25172560]

約数ペア:

[(1, 25172560), (2, 12586280), (4, 6293140), (5, 5034512), (7, 3596080), (8, 3146570), (10, 2517256), (14, 1798040), (16, 1573285), (20, 1258628), (28, 899020), (35, 719216), (40, 629314), (56, 449510), (70, 359608), (79, 318640), (80, 314657), (112, 224755), (140, 179804), (158, 159320), (280, 89902), (316, 79660), (395, 63728), (553, 45520), (560, 44951), (569, 44240), (632, 39830), (790, 31864), (1106, 22760), (1138, 22120), (1264, 19915), (1580, 15932), (2212, 11380), (2276, 11060), (2765, 9104), (2845, 8848), (3160, 7966), (3983, 6320), (4424, 5690), (4552, 5530)]