317265640

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{28027}}^1$

素因数の和:28321

約数の個数: 32

約数和(自身を含む): 716395680

約数和(自身を除く): 399130040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 11320, 28027, 56054, 112108, 140135, 224216, 280270, 560540, 1121080, 7931641, 15863282, 31726564, 39658205, 63453128, 79316410, 158632820, 317265640]

約数ペア:

[(1, 317265640), (2, 158632820), (4, 79316410), (5, 63453128), (8, 39658205), (10, 31726564), (20, 15863282), (40, 7931641), (283, 1121080), (566, 560540), (1132, 280270), (1415, 224216), (2264, 140135), (2830, 112108), (5660, 56054), (11320, 28027)]