68845780

素因数分解:

$2^2\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{2683}}^1$

素因数の和:3975

約数の個数: 24

約数和(自身を含む): 144742752

約数和(自身を除く): 75896972

約数列:

[1, 2, 4, 5, 10, 20, 1283, 2566, 2683, 5132, 5366, 6415, 10732, 12830, 13415, 25660, 26830, 53660, 3442289, 6884578, 13769156, 17211445, 34422890, 68845780]

約数ペア:

[(1, 68845780), (2, 34422890), (4, 17211445), (5, 13769156), (10, 6884578), (20, 3442289), (1283, 53660), (2566, 26830), (2683, 25660), (5132, 13415), (5366, 12830), (6415, 10732)]