51397360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{91781}}^1$

素因数の和:91801

約数の個数: 40

約数和(自身を含む): 136571616

約数和(自身を除く): 85174256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 91781, 183562, 367124, 458905, 642467, 734248, 917810, 1284934, 1468496, 1835620, 2569868, 3212335, 3671240, 5139736, 6424670, 7342480, 10279472, 12849340, 25698680, 51397360]

約数ペア:

[(1, 51397360), (2, 25698680), (4, 12849340), (5, 10279472), (7, 7342480), (8, 6424670), (10, 5139736), (14, 3671240), (16, 3212335), (20, 2569868), (28, 1835620), (35, 1468496), (40, 1284934), (56, 917810), (70, 734248), (80, 642467), (112, 458905), (140, 367124), (280, 183562), (560, 91781)]