291214241680

素因数分解:

$2^4\times 5^1\times {\mathrm{3640178021}}^1$

素因数の和:3640178034

約数の個数: 20

約数和(自身を含む): 677073112092

約数和(自身を除く): 385858870412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3640178021, 7280356042, 14560712084, 18200890105, 29121424168, 36401780210, 58242848336, 72803560420, 145607120840, 291214241680]

約数ペア:

[(1, 291214241680), (2, 145607120840), (4, 72803560420), (5, 58242848336), (8, 36401780210), (10, 29121424168), (16, 18200890105), (20, 14560712084), (40, 7280356042), (80, 3640178021)]