39145640

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{3533}}^1$

素因数の和:3821

約数の個数: 32

約数和(自身を含む): 88420680

約数和(自身を除く): 49275040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 3533, 5540, 7066, 11080, 14132, 17665, 28264, 35330, 70660, 141320, 978641, 1957282, 3914564, 4893205, 7829128, 9786410, 19572820, 39145640]

約数ペア:

[(1, 39145640), (2, 19572820), (4, 9786410), (5, 7829128), (8, 4893205), (10, 3914564), (20, 1957282), (40, 978641), (277, 141320), (554, 70660), (1108, 35330), (1385, 28264), (2216, 17665), (2770, 14132), (3533, 11080), (5540, 7066)]