8509720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11197}}^1$

素因数の和:11227

約数の個数: 32

約数和(自身を含む): 20156400

約数和(自身を除く): 11646680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 11197, 22394, 44788, 55985, 89576, 111970, 212743, 223940, 425486, 447880, 850972, 1063715, 1701944, 2127430, 4254860, 8509720]

約数ペア:

[(1, 8509720), (2, 4254860), (4, 2127430), (5, 1701944), (8, 1063715), (10, 850972), (19, 447880), (20, 425486), (38, 223940), (40, 212743), (76, 111970), (95, 89576), (152, 55985), (190, 44788), (380, 22394), (760, 11197)]