90702980

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{27823}}^1$

素因数の和:27995

約数の個数: 24

約数和(自身を含む): 191651712

約数和(自身を除く): 100948732

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 27823, 55646, 111292, 139115, 278230, 556460, 4535149, 9070298, 18140596, 22675745, 45351490, 90702980]

約数ペア:

[(1, 90702980), (2, 45351490), (4, 22675745), (5, 18140596), (10, 9070298), (20, 4535149), (163, 556460), (326, 278230), (652, 139115), (815, 111292), (1630, 55646), (3260, 27823)]