133734640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{128591}}^1$

素因数の和:128617

約数の個数: 40

約数和(自身を含む): 334853568

約数和(自身を除く): 201118928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 128591, 257182, 514364, 642955, 1028728, 1285910, 1671683, 2057456, 2571820, 3343366, 5143640, 6686732, 8358415, 10287280, 13373464, 16716830, 26746928, 33433660, 66867320, 133734640]

約数ペア:

[(1, 133734640), (2, 66867320), (4, 33433660), (5, 26746928), (8, 16716830), (10, 13373464), (13, 10287280), (16, 8358415), (20, 6686732), (26, 5143640), (40, 3343366), (52, 2571820), (65, 2057456), (80, 1671683), (104, 1285910), (130, 1028728), (208, 642955), (260, 514364), (520, 257182), (1040, 128591)]