39654940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{152519}}^1$

素因数の和:152541

約数の個数: 24

約数和(自身を含む): 89681760

約数和(自身を除く): 50026820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 152519, 305038, 610076, 762595, 1525190, 1982747, 3050380, 3965494, 7930988, 9913735, 19827470, 39654940]

約数ペア:

[(1, 39654940), (2, 19827470), (4, 9913735), (5, 7930988), (10, 3965494), (13, 3050380), (20, 1982747), (26, 1525190), (52, 762595), (65, 610076), (130, 305038), (260, 152519)]