42399440

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{3557}}^1$

素因数の和:3719

約数の個数: 40

約数和(自身を含む): 99268200

約数和(自身を除く): 56868760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 3557, 5960, 7114, 11920, 14228, 17785, 28456, 35570, 56912, 71140, 142280, 284560, 529993, 1059986, 2119972, 2649965, 4239944, 5299930, 8479888, 10599860, 21199720, 42399440]

約数ペア:

[(1, 42399440), (2, 21199720), (4, 10599860), (5, 8479888), (8, 5299930), (10, 4239944), (16, 2649965), (20, 2119972), (40, 1059986), (80, 529993), (149, 284560), (298, 142280), (596, 71140), (745, 56912), (1192, 35570), (1490, 28456), (2384, 17785), (2980, 14228), (3557, 11920), (5960, 7114)]