89313640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{171757}}^1$

素因数の和:171781

約数の個数: 32

約数和(自身を含む): 216415080

約数和(自身を除く): 127101440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 171757, 343514, 687028, 858785, 1374056, 1717570, 2232841, 3435140, 4465682, 6870280, 8931364, 11164205, 17862728, 22328410, 44656820, 89313640]

約数ペア:

[(1, 89313640), (2, 44656820), (4, 22328410), (5, 17862728), (8, 11164205), (10, 8931364), (13, 6870280), (20, 4465682), (26, 3435140), (40, 2232841), (52, 1717570), (65, 1374056), (104, 858785), (130, 687028), (260, 343514), (520, 171757)]