31250040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{260417}}^1$

素因数の和:260431

約数の個数: 32

約数和(自身を含む): 93750480

約数和(自身を除く): 62500440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 260417, 520834, 781251, 1041668, 1302085, 1562502, 2083336, 2604170, 3125004, 3906255, 5208340, 6250008, 7812510, 10416680, 15625020, 31250040]

約数ペア:

[(1, 31250040), (2, 15625020), (3, 10416680), (4, 7812510), (5, 6250008), (6, 5208340), (8, 3906255), (10, 3125004), (12, 2604170), (15, 2083336), (20, 1562502), (24, 1302085), (30, 1041668), (40, 781251), (60, 520834), (120, 260417)]