89249840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{827}}^1$

素因数の和:930

約数の個数: 80

約数和(自身を含む): 221771520

約数和(自身を除く): 132521680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 71, 76, 80, 95, 142, 152, 190, 284, 304, 355, 380, 568, 710, 760, 827, 1136, 1349, 1420, 1520, 1654, 2698, 2840, 3308, 4135, 5396, 5680, 6616, 6745, 8270, 10792, 13232, 13490, 15713, 16540, 21584, 26980, 31426, 33080, 53960, 58717, 62852, 66160, 78565, 107920, 117434, 125704, 157130, 234868, 251408, 293585, 314260, 469736, 587170, 628520, 939472, 1115623, 1174340, 1257040, 2231246, 2348680, 4462492, 4697360, 5578115, 8924984, 11156230, 17849968, 22312460, 44624920, 89249840]

約数ペア:

[(1, 89249840), (2, 44624920), (4, 22312460), (5, 17849968), (8, 11156230), (10, 8924984), (16, 5578115), (19, 4697360), (20, 4462492), (38, 2348680), (40, 2231246), (71, 1257040), (76, 1174340), (80, 1115623), (95, 939472), (142, 628520), (152, 587170), (190, 469736), (284, 314260), (304, 293585), (355, 251408), (380, 234868), (568, 157130), (710, 125704), (760, 117434), (827, 107920), (1136, 78565), (1349, 66160), (1420, 62852), (1520, 58717), (1654, 53960), (2698, 33080), (2840, 31426), (3308, 26980), (4135, 21584), (5396, 16540), (5680, 15713), (6616, 13490), (6745, 13232), (8270, 10792)]