91031720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{175061}}^1$

素因数の和:175085

約数の個数: 32

約数和(自身を含む): 220578120

約数和(自身を除く): 129546400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 175061, 350122, 700244, 875305, 1400488, 1750610, 2275793, 3501220, 4551586, 7002440, 9103172, 11378965, 18206344, 22757930, 45515860, 91031720]

約数ペア:

[(1, 91031720), (2, 45515860), (4, 22757930), (5, 18206344), (8, 11378965), (10, 9103172), (13, 7002440), (20, 4551586), (26, 3501220), (40, 2275793), (52, 1750610), (65, 1400488), (104, 875305), (130, 700244), (260, 350122), (520, 175061)]