31250120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71023}}^1$

素因数の和:71045

約数の個数: 32

約数和(自身を含む): 76705920

約数和(自身を除く): 45455800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 71023, 142046, 284092, 355115, 568184, 710230, 781253, 1420460, 1562506, 2840920, 3125012, 3906265, 6250024, 7812530, 15625060, 31250120]

約数ペア:

[(1, 31250120), (2, 15625060), (4, 7812530), (5, 6250024), (8, 3906265), (10, 3125012), (11, 2840920), (20, 1562506), (22, 1420460), (40, 781253), (44, 710230), (55, 568184), (88, 355115), (110, 284092), (220, 142046), (440, 71023)]