55359980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{212923}}^1$

素因数の和:212945

約数の個数: 24

約数和(自身を含む): 125199312

約数和(自身を除く): 69839332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 212923, 425846, 851692, 1064615, 2129230, 2767999, 4258460, 5535998, 11071996, 13839995, 27679990, 55359980]

約数ペア:

[(1, 55359980), (2, 27679990), (4, 13839995), (5, 11071996), (10, 5535998), (13, 4258460), (20, 2767999), (26, 2129230), (52, 1064615), (65, 851692), (130, 425846), (260, 212923)]