81224240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53437}}^1$

素因数の和:53469

約数の個数: 40

約数和(自身を含む): 198789360

約数和(自身を除く): 117565120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 53437, 106874, 213748, 267185, 427496, 534370, 854992, 1015303, 1068740, 2030606, 2137480, 4061212, 4274960, 5076515, 8122424, 10153030, 16244848, 20306060, 40612120, 81224240]

約数ペア:

[(1, 81224240), (2, 40612120), (4, 20306060), (5, 16244848), (8, 10153030), (10, 8122424), (16, 5076515), (19, 4274960), (20, 4061212), (38, 2137480), (40, 2030606), (76, 1068740), (80, 1015303), (95, 854992), (152, 534370), (190, 427496), (304, 267185), (380, 213748), (760, 106874), (1520, 53437)]