85142680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{304081}}^1$

素因数の和:304099

約数の個数: 32

約数和(自身を含む): 218939040

約数和(自身を除く): 133796360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 304081, 608162, 1216324, 1520405, 2128567, 2432648, 3040810, 4257134, 6081620, 8514268, 10642835, 12163240, 17028536, 21285670, 42571340, 85142680]

約数ペア:

[(1, 85142680), (2, 42571340), (4, 21285670), (5, 17028536), (7, 12163240), (8, 10642835), (10, 8514268), (14, 6081620), (20, 4257134), (28, 3040810), (35, 2432648), (40, 2128567), (56, 1520405), (70, 1216324), (140, 608162), (280, 304081)]