40347320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77591}}^1$

素因数の和:77615

約数の個数: 32

約数和(自身を含む): 97765920

約数和(自身を除く): 57418600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 77591, 155182, 310364, 387955, 620728, 775910, 1008683, 1551820, 2017366, 3103640, 4034732, 5043415, 8069464, 10086830, 20173660, 40347320]

約数ペア:

[(1, 40347320), (2, 20173660), (4, 10086830), (5, 8069464), (8, 5043415), (10, 4034732), (13, 3103640), (20, 2017366), (26, 1551820), (40, 1008683), (52, 775910), (65, 620728), (104, 387955), (130, 310364), (260, 155182), (520, 77591)]