205032880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197147}}^1$

素因数の和:197173

約数の個数: 40

約数和(自身を含む): 513373392

約数和(自身を除く): 308340512

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 197147, 394294, 788588, 985735, 1577176, 1971470, 2562911, 3154352, 3942940, 5125822, 7885880, 10251644, 12814555, 15771760, 20503288, 25629110, 41006576, 51258220, 102516440, 205032880]

約数ペア:

[(1, 205032880), (2, 102516440), (4, 51258220), (5, 41006576), (8, 25629110), (10, 20503288), (13, 15771760), (16, 12814555), (20, 10251644), (26, 7885880), (40, 5125822), (52, 3942940), (65, 3154352), (80, 2562911), (104, 1971470), (130, 1577176), (208, 985735), (260, 788588), (520, 394294), (1040, 197147)]