381601840

素因数分解:

$2^4\times 5^1\times {\mathrm{4770023}}^1$

素因数の和:4770036

約数の個数: 20

約数和(自身を含む): 887224464

約数和(自身を除く): 505622624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4770023, 9540046, 19080092, 23850115, 38160184, 47700230, 76320368, 95400460, 190800920, 381601840]

約数ペア:

[(1, 381601840), (2, 190800920), (4, 95400460), (5, 76320368), (8, 47700230), (10, 38160184), (16, 23850115), (20, 19080092), (40, 9540046), (80, 4770023)]