1668680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3209}}^1$

素因数の和:3233

約数の個数: 32

約数和(自身を含む): 4044600

約数和(自身を除く): 2375920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3209, 6418, 12836, 16045, 25672, 32090, 41717, 64180, 83434, 128360, 166868, 208585, 333736, 417170, 834340, 1668680]

約数ペア:

[(1, 1668680), (2, 834340), (4, 417170), (5, 333736), (8, 208585), (10, 166868), (13, 128360), (20, 83434), (26, 64180), (40, 41717), (52, 32090), (65, 25672), (104, 16045), (130, 12836), (260, 6418), (520, 3209)]