28358680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101281}}^1$

素因数の和:101299

約数の個数: 32

約数和(自身を含む): 72923040

約数和(自身を除く): 44564360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 101281, 202562, 405124, 506405, 708967, 810248, 1012810, 1417934, 2025620, 2835868, 3544835, 4051240, 5671736, 7089670, 14179340, 28358680]

約数ペア:

[(1, 28358680), (2, 14179340), (4, 7089670), (5, 5671736), (7, 4051240), (8, 3544835), (10, 2835868), (14, 2025620), (20, 1417934), (28, 1012810), (35, 810248), (40, 708967), (56, 506405), (70, 405124), (140, 202562), (280, 101281)]