12586280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{569}}^1$

素因数の和:666

約数の個数: 64

約数和(自身を含む): 32832000

約数和(自身を除く): 20245720

約数列:

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

約数ペア:

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