42740080

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4993}}^1$

素因数の和:5113

約数の個数: 40

約数和(自身を含む): 100319472

約数和(自身を除く): 57579392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 4993, 8560, 9986, 19972, 24965, 39944, 49930, 79888, 99860, 199720, 399440, 534251, 1068502, 2137004, 2671255, 4274008, 5342510, 8548016, 10685020, 21370040, 42740080]

約数ペア:

[(1, 42740080), (2, 21370040), (4, 10685020), (5, 8548016), (8, 5342510), (10, 4274008), (16, 2671255), (20, 2137004), (40, 1068502), (80, 534251), (107, 399440), (214, 199720), (428, 99860), (535, 79888), (856, 49930), (1070, 39944), (1712, 24965), (2140, 19972), (4280, 9986), (4993, 8560)]