4160139980

素因数分解:

$2^2\times 5^1\times {\mathrm{13907}}^1\times {\mathrm{14957}}^1$

素因数の和:28873

約数の個数: 24

約数和(自身を含む): 8737506288

約数和(自身を除く): 4577366308

約数列:

[1, 2, 4, 5, 10, 20, 13907, 14957, 27814, 29914, 55628, 59828, 69535, 74785, 139070, 149570, 278140, 299140, 208006999, 416013998, 832027996, 1040034995, 2080069990, 4160139980]

約数ペア:

[(1, 4160139980), (2, 2080069990), (4, 1040034995), (5, 832027996), (10, 416013998), (20, 208006999), (13907, 299140), (14957, 278140), (27814, 149570), (29914, 139070), (55628, 74785), (59828, 69535)]