19940050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{30677}}^1$

素因数の和:30702

約数の個数: 24

約数和(自身を含む): 39942756

約数和(自身を除く): 20002706

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 30677, 61354, 153385, 306770, 398801, 766925, 797602, 1533850, 1994005, 3988010, 9970025, 19940050]

約数ペア:

[(1, 19940050), (2, 9970025), (5, 3988010), (10, 1994005), (13, 1533850), (25, 797602), (26, 766925), (50, 398801), (65, 306770), (130, 153385), (325, 61354), (650, 30677)]