157055420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{191531}}^1$

素因数の和:191581

約数の個数: 24

約数和(自身を含む): 337862448

約数和(自身を除く): 180807028

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 191531, 383062, 766124, 957655, 1915310, 3830620, 7852771, 15705542, 31411084, 39263855, 78527710, 157055420]

約数ペア:

[(1, 157055420), (2, 78527710), (4, 39263855), (5, 31411084), (10, 15705542), (20, 7852771), (41, 3830620), (82, 1915310), (164, 957655), (205, 766124), (410, 383062), (820, 191531)]