193751920

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{9649}}^1$

素因数の和:9913

約数の個数: 40

約数和(自身を含む): 452314800

約数和(自身を除く): 258562880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 2008, 2510, 4016, 5020, 9649, 10040, 19298, 20080, 38596, 48245, 77192, 96490, 154384, 192980, 385960, 771920, 2421899, 4843798, 9687596, 12109495, 19375192, 24218990, 38750384, 48437980, 96875960, 193751920]

約数ペア:

[(1, 193751920), (2, 96875960), (4, 48437980), (5, 38750384), (8, 24218990), (10, 19375192), (16, 12109495), (20, 9687596), (40, 4843798), (80, 2421899), (251, 771920), (502, 385960), (1004, 192980), (1255, 154384), (2008, 96490), (2510, 77192), (4016, 48245), (5020, 38596), (9649, 20080), (10040, 19298)]