80895880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155569}}^1$

素因数の和:155593

約数の個数: 32

約数和(自身を含む): 196018200

約数和(自身を除く): 115122320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 155569, 311138, 622276, 777845, 1244552, 1555690, 2022397, 3111380, 4044794, 6222760, 8089588, 10111985, 16179176, 20223970, 40447940, 80895880]

約数ペア:

[(1, 80895880), (2, 40447940), (4, 20223970), (5, 16179176), (8, 10111985), (10, 8089588), (13, 6222760), (20, 4044794), (26, 3111380), (40, 2022397), (52, 1555690), (65, 1244552), (104, 777845), (130, 622276), (260, 311138), (520, 155569)]