31300120

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{16649}}^1$

素因数の和:16707

約数の個数: 32

約数和(自身を含む): 71928000

約数和(自身を除く): 40627880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 16649, 33298, 66596, 83245, 133192, 166490, 332980, 665960, 782503, 1565006, 3130012, 3912515, 6260024, 7825030, 15650060, 31300120]

約数ペア:

[(1, 31300120), (2, 15650060), (4, 7825030), (5, 6260024), (8, 3912515), (10, 3130012), (20, 1565006), (40, 782503), (47, 665960), (94, 332980), (188, 166490), (235, 133192), (376, 83245), (470, 66596), (940, 33298), (1880, 16649)]