78291280

素因数分解:

$2^4\times 5^1\times {\mathrm{277}}^1\times {\mathrm{3533}}^1$

素因数の和:3823

約数の個数: 40

約数和(自身を含む): 182736072

約数和(自身を除く): 104444792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 277, 554, 1108, 1385, 2216, 2770, 3533, 4432, 5540, 7066, 11080, 14132, 17665, 22160, 28264, 35330, 56528, 70660, 141320, 282640, 978641, 1957282, 3914564, 4893205, 7829128, 9786410, 15658256, 19572820, 39145640, 78291280]

約数ペア:

[(1, 78291280), (2, 39145640), (4, 19572820), (5, 15658256), (8, 9786410), (10, 7829128), (16, 4893205), (20, 3914564), (40, 1957282), (80, 978641), (277, 282640), (554, 141320), (1108, 70660), (1385, 56528), (2216, 35330), (2770, 28264), (3533, 22160), (4432, 17665), (5540, 14132), (7066, 11080)]