12900680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24809}}^1$

素因数の和:24833

約数の個数: 32

約数和(自身を含む): 31260600

約数和(自身を除く): 18359920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 24809, 49618, 99236, 124045, 198472, 248090, 322517, 496180, 645034, 992360, 1290068, 1612585, 2580136, 3225170, 6450340, 12900680]

約数ペア:

[(1, 12900680), (2, 6450340), (4, 3225170), (5, 2580136), (8, 1612585), (10, 1290068), (13, 992360), (20, 645034), (26, 496180), (40, 322517), (52, 248090), (65, 198472), (104, 124045), (130, 99236), (260, 49618), (520, 24809)]