202115920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{132971}}^1$

素因数の和:133003

約数の個数: 40

約数和(自身を含む): 494655840

約数和(自身を除く): 292539920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 132971, 265942, 531884, 664855, 1063768, 1329710, 2127536, 2526449, 2659420, 5052898, 5318840, 10105796, 10637680, 12632245, 20211592, 25264490, 40423184, 50528980, 101057960, 202115920]

約数ペア:

[(1, 202115920), (2, 101057960), (4, 50528980), (5, 40423184), (8, 25264490), (10, 20211592), (16, 12632245), (19, 10637680), (20, 10105796), (38, 5318840), (40, 5052898), (76, 2659420), (80, 2526449), (95, 2127536), (152, 1329710), (190, 1063768), (304, 664855), (380, 531884), (760, 265942), (1520, 132971)]