4321905640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8311357}}^1$

素因数の和:8311381

約数の個数: 32

約数和(自身を含む): 10472311080

約数和(自身を除く): 6150405440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 8311357, 16622714, 33245428, 41556785, 66490856, 83113570, 108047641, 166227140, 216095282, 332454280, 432190564, 540238205, 864381128, 1080476410, 2160952820, 4321905640]

約数ペア:

[(1, 4321905640), (2, 2160952820), (4, 1080476410), (5, 864381128), (8, 540238205), (10, 432190564), (13, 332454280), (20, 216095282), (26, 166227140), (40, 108047641), (52, 83113570), (65, 66490856), (104, 41556785), (130, 33245428), (260, 16622714), (520, 8311357)]