63804920

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{21851}}^1$

素因数の和:21935

約数の個数: 32

約数和(自身を含む): 145534320

約数和(自身を除く): 81729400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 21851, 43702, 87404, 109255, 174808, 218510, 437020, 874040, 1595123, 3190246, 6380492, 7975615, 12760984, 15951230, 31902460, 63804920]

約数ペア:

[(1, 63804920), (2, 31902460), (4, 15951230), (5, 12760984), (8, 7975615), (10, 6380492), (20, 3190246), (40, 1595123), (73, 874040), (146, 437020), (292, 218510), (365, 174808), (584, 109255), (730, 87404), (1460, 43702), (2920, 21851)]