80535560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6689}}^1$

素因数の和:6750

約数の個数: 64

約数和(自身を含む): 211939200

約数和(自身を除く): 131403640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 6020, 6689, 12040, 13378, 26756, 33445, 46823, 53512, 66890, 93646, 133780, 187292, 234115, 267560, 287627, 374584, 468230, 575254, 936460, 1150508, 1438135, 1872920, 2013389, 2301016, 2876270, 4026778, 5752540, 8053556, 10066945, 11505080, 16107112, 20133890, 40267780, 80535560]

約数ペア:

[(1, 80535560), (2, 40267780), (4, 20133890), (5, 16107112), (7, 11505080), (8, 10066945), (10, 8053556), (14, 5752540), (20, 4026778), (28, 2876270), (35, 2301016), (40, 2013389), (43, 1872920), (56, 1438135), (70, 1150508), (86, 936460), (140, 575254), (172, 468230), (215, 374584), (280, 287627), (301, 267560), (344, 234115), (430, 187292), (602, 133780), (860, 93646), (1204, 66890), (1505, 53512), (1720, 46823), (2408, 33445), (3010, 26756), (6020, 13378), (6689, 12040)]