87669040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1$

素因数の和:590

約数の個数: 80

約数和(自身を含む): 216637920

約数和(自身を除く): 128968880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 137, 152, 190, 274, 304, 380, 421, 548, 685, 760, 842, 1096, 1370, 1520, 1684, 2105, 2192, 2603, 2740, 3368, 4210, 5206, 5480, 6736, 7999, 8420, 10412, 10960, 13015, 15998, 16840, 20824, 26030, 31996, 33680, 39995, 41648, 52060, 57677, 63992, 79990, 104120, 115354, 127984, 159980, 208240, 230708, 288385, 319960, 461416, 576770, 639920, 922832, 1095863, 1153540, 2191726, 2307080, 4383452, 4614160, 5479315, 8766904, 10958630, 17533808, 21917260, 43834520, 87669040]

約数ペア:

[(1, 87669040), (2, 43834520), (4, 21917260), (5, 17533808), (8, 10958630), (10, 8766904), (16, 5479315), (19, 4614160), (20, 4383452), (38, 2307080), (40, 2191726), (76, 1153540), (80, 1095863), (95, 922832), (137, 639920), (152, 576770), (190, 461416), (274, 319960), (304, 288385), (380, 230708), (421, 208240), (548, 159980), (685, 127984), (760, 115354), (842, 104120), (1096, 79990), (1370, 63992), (1520, 57677), (1684, 52060), (2105, 41648), (2192, 39995), (2603, 33680), (2740, 31996), (3368, 26030), (4210, 20824), (5206, 16840), (5480, 15998), (6736, 13015), (7999, 10960), (8420, 10412)]