42403940

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{8447}}^1$

素因数の和:8707

約数の個数: 24

約数和(自身を含む): 89413632

約数和(自身を除く): 47009692

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 8447, 16894, 33788, 42235, 84470, 168940, 2120197, 4240394, 8480788, 10600985, 21201970, 42403940]

約数ペア:

[(1, 42403940), (2, 21201970), (4, 10600985), (5, 8480788), (10, 4240394), (20, 2120197), (251, 168940), (502, 84470), (1004, 42235), (1255, 33788), (2510, 16894), (5020, 8447)]