30620920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{69593}}^1$

素因数の和:69615

約数の個数: 32

約数和(自身を含む): 75161520

約数和(自身を除く): 44540600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 69593, 139186, 278372, 347965, 556744, 695930, 765523, 1391860, 1531046, 2783720, 3062092, 3827615, 6124184, 7655230, 15310460, 30620920]

約数ペア:

[(1, 30620920), (2, 15310460), (4, 7655230), (5, 6124184), (8, 3827615), (10, 3062092), (11, 2783720), (20, 1531046), (22, 1391860), (40, 765523), (44, 695930), (55, 556744), (88, 347965), (110, 278372), (220, 139186), (440, 69593)]