254441840

素因数分解:

$2^4\times 5^1\times {\mathrm{3180523}}^1$

素因数の和:3180536

約数の個数: 20

約数和(自身を含む): 591577464

約数和(自身を除く): 337135624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3180523, 6361046, 12722092, 15902615, 25444184, 31805230, 50888368, 63610460, 127220920, 254441840]

約数ペア:

[(1, 254441840), (2, 127220920), (4, 63610460), (5, 50888368), (8, 31805230), (10, 25444184), (16, 15902615), (20, 12722092), (40, 6361046), (80, 3180523)]