81086920

素因数分解:

$2^3\times 5^1\times {\mathrm{601}}^1\times {\mathrm{3373}}^1$

素因数の和:3985

約数の個数: 32

約数和(自身を含む): 182803320

約数和(自身を除く): 101716400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 601, 1202, 2404, 3005, 3373, 4808, 6010, 6746, 12020, 13492, 16865, 24040, 26984, 33730, 67460, 134920, 2027173, 4054346, 8108692, 10135865, 16217384, 20271730, 40543460, 81086920]

約数ペア:

[(1, 81086920), (2, 40543460), (4, 20271730), (5, 16217384), (8, 10135865), (10, 8108692), (20, 4054346), (40, 2027173), (601, 134920), (1202, 67460), (2404, 33730), (3005, 26984), (3373, 24040), (4808, 16865), (6010, 13492), (6746, 12020)]