55518680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{198281}}^1$

素因数の和:198299

約数の個数: 32

約数和(自身を含む): 142763040

約数和(自身を除く): 87244360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 198281, 396562, 793124, 991405, 1387967, 1586248, 1982810, 2775934, 3965620, 5551868, 6939835, 7931240, 11103736, 13879670, 27759340, 55518680]

約数ペア:

[(1, 55518680), (2, 27759340), (4, 13879670), (5, 11103736), (7, 7931240), (8, 6939835), (10, 5551868), (14, 3965620), (20, 2775934), (28, 1982810), (35, 1586248), (40, 1387967), (56, 991405), (70, 793124), (140, 396562), (280, 198281)]