129006800

素因数分解:

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

素因数の和:24840

約数の個数: 60

約数和(自身を含む): 333793740

約数和(自身を除く): 204786940

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 24809, 49618, 99236, 124045, 198472, 248090, 322517, 396944, 496180, 620225, 645034, 992360, 1240450, 1290068, 1612585, 1984720, 2480900, 2580136, 3225170, 4961800, 5160272, 6450340, 8062925, 9923600, 12900680, 16125850, 25801360, 32251700, 64503400, 129006800]

約数ペア:

[(1, 129006800), (2, 64503400), (4, 32251700), (5, 25801360), (8, 16125850), (10, 12900680), (13, 9923600), (16, 8062925), (20, 6450340), (25, 5160272), (26, 4961800), (40, 3225170), (50, 2580136), (52, 2480900), (65, 1984720), (80, 1612585), (100, 1290068), (104, 1240450), (130, 992360), (200, 645034), (208, 620225), (260, 496180), (325, 396944), (400, 322517), (520, 248090), (650, 198472), (1040, 124045), (1300, 99236), (2600, 49618), (5200, 24809)]