7217080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13879}}^1$

素因数の和:13903

約数の個数: 32

約数和(自身を含む): 17488800

約数和(自身を除く): 10271720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 13879, 27758, 55516, 69395, 111032, 138790, 180427, 277580, 360854, 555160, 721708, 902135, 1443416, 1804270, 3608540, 7217080]

約数ペア:

[(1, 7217080), (2, 3608540), (4, 1804270), (5, 1443416), (8, 902135), (10, 721708), (13, 555160), (20, 360854), (26, 277580), (40, 180427), (52, 138790), (65, 111032), (104, 69395), (130, 55516), (260, 27758), (520, 13879)]