91378040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{175727}}^1$

素因数の和:175751

約数の個数: 32

約数和(自身を含む): 221417280

約数和(自身を除く): 130039240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 175727, 351454, 702908, 878635, 1405816, 1757270, 2284451, 3514540, 4568902, 7029080, 9137804, 11422255, 18275608, 22844510, 45689020, 91378040]

約数ペア:

[(1, 91378040), (2, 45689020), (4, 22844510), (5, 18275608), (8, 11422255), (10, 9137804), (13, 7029080), (20, 4568902), (26, 3514540), (40, 2284451), (52, 1757270), (65, 1405816), (104, 878635), (130, 702908), (260, 351454), (520, 175727)]