91401320

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{17443}}^1$

素因数の和:17585

約数の個数: 32

約数和(自身を含む): 207234720

約数和(自身を除く): 115833400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 17443, 34886, 69772, 87215, 139544, 174430, 348860, 697720, 2285033, 4570066, 9140132, 11425165, 18280264, 22850330, 45700660, 91401320]

約数ペア:

[(1, 91401320), (2, 45700660), (4, 22850330), (5, 18280264), (8, 11425165), (10, 9140132), (20, 4570066), (40, 2285033), (131, 697720), (262, 348860), (524, 174430), (655, 139544), (1048, 87215), (1310, 69772), (2620, 34886), (5240, 17443)]