40220440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77347}}^1$

素因数の和:77371

約数の個数: 32

約数和(自身を含む): 97458480

約数和(自身を除く): 57238040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 77347, 154694, 309388, 386735, 618776, 773470, 1005511, 1546940, 2011022, 3093880, 4022044, 5027555, 8044088, 10055110, 20110220, 40220440]

約数ペア:

[(1, 40220440), (2, 20110220), (4, 10055110), (5, 8044088), (8, 5027555), (10, 4022044), (13, 3093880), (20, 2011022), (26, 1546940), (40, 1005511), (52, 773470), (65, 618776), (104, 386735), (130, 309388), (260, 154694), (520, 77347)]