8818940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{317}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 20194272

約数和(自身を除く): 11375332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 214, 260, 317, 428, 535, 634, 1070, 1268, 1391, 1585, 2140, 2782, 3170, 4121, 5564, 6340, 6955, 8242, 13910, 16484, 20605, 27820, 33919, 41210, 67838, 82420, 135676, 169595, 339190, 440947, 678380, 881894, 1763788, 2204735, 4409470, 8818940]

約数ペア:

[(1, 8818940), (2, 4409470), (4, 2204735), (5, 1763788), (10, 881894), (13, 678380), (20, 440947), (26, 339190), (52, 169595), (65, 135676), (107, 82420), (130, 67838), (214, 41210), (260, 33919), (317, 27820), (428, 20605), (535, 16484), (634, 13910), (1070, 8242), (1268, 6955), (1391, 6340), (1585, 5564), (2140, 4121), (2782, 3170)]