8730920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19843}}^1$

素因数の和:19865

約数の個数: 32

約数和(自身を含む): 21431520

約数和(自身を除く): 12700600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 19843, 39686, 79372, 99215, 158744, 198430, 218273, 396860, 436546, 793720, 873092, 1091365, 1746184, 2182730, 4365460, 8730920]

約数ペア:

[(1, 8730920), (2, 4365460), (4, 2182730), (5, 1746184), (8, 1091365), (10, 873092), (11, 793720), (20, 436546), (22, 396860), (40, 218273), (44, 198430), (55, 158744), (88, 99215), (110, 79372), (220, 39686), (440, 19843)]