129772760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{249563}}^1$

素因数の和:249587

約数の個数: 32

約数和(自身を含む): 314450640

約数和(自身を除く): 184677880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 249563, 499126, 998252, 1247815, 1996504, 2495630, 3244319, 4991260, 6488638, 9982520, 12977276, 16221595, 25954552, 32443190, 64886380, 129772760]

約数ペア:

[(1, 129772760), (2, 64886380), (4, 32443190), (5, 25954552), (8, 16221595), (10, 12977276), (13, 9982520), (20, 6488638), (26, 4991260), (40, 3244319), (52, 2495630), (65, 1996504), (104, 1247815), (130, 998252), (260, 499126), (520, 249563)]