71088440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{37813}}^1$

素因数の和:37871

約数の個数: 32

約数和(自身を含む): 163356480

約数和(自身を除く): 92268040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 37813, 75626, 151252, 189065, 302504, 378130, 756260, 1512520, 1777211, 3554422, 7108844, 8886055, 14217688, 17772110, 35544220, 71088440]

約数ペア:

[(1, 71088440), (2, 35544220), (4, 17772110), (5, 14217688), (8, 8886055), (10, 7108844), (20, 3554422), (40, 1777211), (47, 1512520), (94, 756260), (188, 378130), (235, 302504), (376, 189065), (470, 151252), (940, 75626), (1880, 37813)]