40087220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{27457}}^1$

素因数の和:27539

約数の個数: 24

約数和(自身を含む): 85339464

約数和(自身を除く): 45252244

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 27457, 54914, 109828, 137285, 274570, 549140, 2004361, 4008722, 8017444, 10021805, 20043610, 40087220]

約数ペア:

[(1, 40087220), (2, 20043610), (4, 10021805), (5, 8017444), (10, 4008722), (20, 2004361), (73, 549140), (146, 274570), (292, 137285), (365, 109828), (730, 54914), (1460, 27457)]