25801360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24809}}^1$

素因数の和:24835

約数の個数: 40

約数和(自身を含む): 64605240

約数和(自身を除く): 38803880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 24809, 49618, 99236, 124045, 198472, 248090, 322517, 396944, 496180, 645034, 992360, 1290068, 1612585, 1984720, 2580136, 3225170, 5160272, 6450340, 12900680, 25801360]

約数ペア:

[(1, 25801360), (2, 12900680), (4, 6450340), (5, 5160272), (8, 3225170), (10, 2580136), (13, 1984720), (16, 1612585), (20, 1290068), (26, 992360), (40, 645034), (52, 496180), (65, 396944), (80, 322517), (104, 248090), (130, 198472), (208, 124045), (260, 99236), (520, 49618), (1040, 24809)]