43338320

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1999}}^1$

素因数の和:2283

約数の個数: 40

約数和(自身を含む): 101184000

約数和(自身を除く): 57845680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 1084, 1355, 1999, 2168, 2710, 3998, 4336, 5420, 7996, 9995, 10840, 15992, 19990, 21680, 31984, 39980, 79960, 159920, 541729, 1083458, 2166916, 2708645, 4333832, 5417290, 8667664, 10834580, 21669160, 43338320]

約数ペア:

[(1, 43338320), (2, 21669160), (4, 10834580), (5, 8667664), (8, 5417290), (10, 4333832), (16, 2708645), (20, 2166916), (40, 1083458), (80, 541729), (271, 159920), (542, 79960), (1084, 39980), (1355, 31984), (1999, 21680), (2168, 19990), (2710, 15992), (3998, 10840), (4336, 9995), (5420, 7996)]