80559880

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{587}}^1$

素因数の和:718

約数の個数: 64

約数和(自身を含む): 187971840

約数和(自身を除く): 107411960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 73, 94, 146, 188, 235, 292, 365, 376, 470, 584, 587, 730, 940, 1174, 1460, 1880, 2348, 2920, 2935, 3431, 4696, 5870, 6862, 11740, 13724, 17155, 23480, 27448, 27589, 34310, 42851, 55178, 68620, 85702, 110356, 137240, 137945, 171404, 214255, 220712, 275890, 342808, 428510, 551780, 857020, 1103560, 1714040, 2013997, 4027994, 8055988, 10069985, 16111976, 20139970, 40279940, 80559880]

約数ペア:

[(1, 80559880), (2, 40279940), (4, 20139970), (5, 16111976), (8, 10069985), (10, 8055988), (20, 4027994), (40, 2013997), (47, 1714040), (73, 1103560), (94, 857020), (146, 551780), (188, 428510), (235, 342808), (292, 275890), (365, 220712), (376, 214255), (470, 171404), (584, 137945), (587, 137240), (730, 110356), (940, 85702), (1174, 68620), (1460, 55178), (1880, 42851), (2348, 34310), (2920, 27589), (2935, 27448), (3431, 23480), (4696, 17155), (5870, 13724), (6862, 11740)]