63641240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{122387}}^1$

素因数の和:122411

約数の個数: 32

約数和(自身を含む): 154208880

約数和(自身を除く): 90567640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 122387, 244774, 489548, 611935, 979096, 1223870, 1591031, 2447740, 3182062, 4895480, 6364124, 7955155, 12728248, 15910310, 31820620, 63641240]

約数ペア:

[(1, 63641240), (2, 31820620), (4, 15910310), (5, 12728248), (8, 7955155), (10, 6364124), (13, 4895480), (20, 3182062), (26, 2447740), (40, 1591031), (52, 1223870), (65, 979096), (104, 611935), (130, 489548), (260, 244774), (520, 122387)]