87217520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{6451}}^1$

素因数の和:6490

約数の個数: 60

約数和(自身を含む): 219613176

約数和(自身を除く): 132395656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6451, 6760, 12902, 13520, 25804, 32255, 51608, 64510, 83863, 103216, 129020, 167726, 258040, 335452, 419315, 516080, 670904, 838630, 1090219, 1341808, 1677260, 2180438, 3354520, 4360876, 5451095, 6709040, 8721752, 10902190, 17443504, 21804380, 43608760, 87217520]

約数ペア:

[(1, 87217520), (2, 43608760), (4, 21804380), (5, 17443504), (8, 10902190), (10, 8721752), (13, 6709040), (16, 5451095), (20, 4360876), (26, 3354520), (40, 2180438), (52, 1677260), (65, 1341808), (80, 1090219), (104, 838630), (130, 670904), (169, 516080), (208, 419315), (260, 335452), (338, 258040), (520, 167726), (676, 129020), (845, 103216), (1040, 83863), (1352, 64510), (1690, 51608), (2704, 32255), (3380, 25804), (6451, 13520), (6760, 12902)]