87004280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2503}}^1$

素因数の和:2604

約数の個数: 64

約数和(自身を含む): 216345600

約数和(自身を除く): 129341320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 158, 220, 316, 395, 440, 632, 790, 869, 1580, 1738, 2503, 3160, 3476, 4345, 5006, 6952, 8690, 10012, 12515, 17380, 20024, 25030, 27533, 34760, 50060, 55066, 100120, 110132, 137665, 197737, 220264, 275330, 395474, 550660, 790948, 988685, 1101320, 1581896, 1977370, 2175107, 3954740, 4350214, 7909480, 8700428, 10875535, 17400856, 21751070, 43502140, 87004280]

約数ペア:

[(1, 87004280), (2, 43502140), (4, 21751070), (5, 17400856), (8, 10875535), (10, 8700428), (11, 7909480), (20, 4350214), (22, 3954740), (40, 2175107), (44, 1977370), (55, 1581896), (79, 1101320), (88, 988685), (110, 790948), (158, 550660), (220, 395474), (316, 275330), (395, 220264), (440, 197737), (632, 137665), (790, 110132), (869, 100120), (1580, 55066), (1738, 50060), (2503, 34760), (3160, 27533), (3476, 25030), (4345, 20024), (5006, 17380), (6952, 12515), (8690, 10012)]