38973640

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1801}}^1$

素因数の和:2353

約数の個数: 32

約数和(自身を含む): 87901560

約数和(自身を除く): 48927920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 1801, 2164, 2705, 3602, 4328, 5410, 7204, 9005, 10820, 14408, 18010, 21640, 36020, 72040, 974341, 1948682, 3897364, 4871705, 7794728, 9743410, 19486820, 38973640]

約数ペア:

[(1, 38973640), (2, 19486820), (4, 9743410), (5, 7794728), (8, 4871705), (10, 3897364), (20, 1948682), (40, 974341), (541, 72040), (1082, 36020), (1801, 21640), (2164, 18010), (2705, 14408), (3602, 10820), (4328, 9005), (5410, 7204)]