42642280

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1867}}^1$

素因数の和:2449

約数の個数: 32

約数和(自身を含む): 96164640

約数和(自身を除く): 53522360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 1142, 1867, 2284, 2855, 3734, 4568, 5710, 7468, 9335, 11420, 14936, 18670, 22840, 37340, 74680, 1066057, 2132114, 4264228, 5330285, 8528456, 10660570, 21321140, 42642280]

約数ペア:

[(1, 42642280), (2, 21321140), (4, 10660570), (5, 8528456), (8, 5330285), (10, 4264228), (20, 2132114), (40, 1066057), (571, 74680), (1142, 37340), (1867, 22840), (2284, 18670), (2855, 14936), (3734, 11420), (4568, 9335), (5710, 7468)]