129888919880

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{69089851}}^1$

素因数の和:69089909

約数の個数: 32

約数和(自身を含む): 298468160640

約数和(自身を除く): 168579240760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 69089851, 138179702, 276359404, 345449255, 552718808, 690898510, 1381797020, 2763594040, 3247222997, 6494445994, 12988891988, 16236114985, 25977783976, 32472229970, 64944459940, 129888919880]

約数ペア:

[(1, 129888919880), (2, 64944459940), (4, 32472229970), (5, 25977783976), (8, 16236114985), (10, 12988891988), (20, 6494445994), (40, 3247222997), (47, 2763594040), (94, 1381797020), (188, 690898510), (235, 552718808), (376, 345449255), (470, 276359404), (940, 138179702), (1880, 69089851)]