30967640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{70381}}^1$

素因数の和:70403

約数の個数: 32

約数和(自身を含む): 76012560

約数和(自身を除く): 45044920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 70381, 140762, 281524, 351905, 563048, 703810, 774191, 1407620, 1548382, 2815240, 3096764, 3870955, 6193528, 7741910, 15483820, 30967640]

約数ペア:

[(1, 30967640), (2, 15483820), (4, 7741910), (5, 6193528), (8, 3870955), (10, 3096764), (11, 2815240), (20, 1548382), (22, 1407620), (40, 774191), (44, 703810), (55, 563048), (88, 351905), (110, 281524), (220, 140762), (440, 70381)]