28040212390

素因数分解:

$2^1\times 5^1\times {\mathrm{133633}}^1\times {\mathrm{20983}}^1$

素因数の和:154623

約数の個数: 16

約数和(自身を含む): 50475165408

約数和(自身を除く): 22434953018

約数列:

[1, 2, 5, 10, 20983, 41966, 104915, 133633, 209830, 267266, 668165, 1336330, 2804021239, 5608042478, 14020106195, 28040212390]

約数ペア:

[(1, 28040212390), (2, 14020106195), (5, 5608042478), (10, 2804021239), (20983, 1336330), (41966, 668165), (104915, 267266), (133633, 209830)]