2108780440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4055347}}^1$

素因数の和:4055371

約数の個数: 32

約数和(自身を含む): 5109738480

約数和(自身を除く): 3000958040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 4055347, 8110694, 16221388, 20276735, 32442776, 40553470, 52719511, 81106940, 105439022, 162213880, 210878044, 263597555, 421756088, 527195110, 1054390220, 2108780440]

約数ペア:

[(1, 2108780440), (2, 1054390220), (4, 527195110), (5, 421756088), (8, 263597555), (10, 210878044), (13, 162213880), (20, 105439022), (26, 81106940), (40, 52719511), (52, 40553470), (65, 32442776), (104, 20276735), (130, 16221388), (260, 8110694), (520, 4055347)]