80705556

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{25189}}^1$

素因数の和:25288

約数の個数: 36

約数和(自身を含む): 206306100

約数和(自身を除く): 125600544

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 267, 356, 534, 801, 1068, 1602, 3204, 25189, 50378, 75567, 100756, 151134, 226701, 302268, 453402, 906804, 2241821, 4483642, 6725463, 8967284, 13450926, 20176389, 26901852, 40352778, 80705556]

約数ペア:

[(1, 80705556), (2, 40352778), (3, 26901852), (4, 20176389), (6, 13450926), (9, 8967284), (12, 6725463), (18, 4483642), (36, 2241821), (89, 906804), (178, 453402), (267, 302268), (356, 226701), (534, 151134), (801, 100756), (1068, 75567), (1602, 50378), (3204, 25189)]