4722920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1663}}^1$

素因数の和:1745

約数の個数: 32

約数和(自身を含む): 10782720

約数和(自身を除く): 6059800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 1663, 2840, 3326, 6652, 8315, 13304, 16630, 33260, 66520, 118073, 236146, 472292, 590365, 944584, 1180730, 2361460, 4722920]

約数ペア:

[(1, 4722920), (2, 2361460), (4, 1180730), (5, 944584), (8, 590365), (10, 472292), (20, 236146), (40, 118073), (71, 66520), (142, 33260), (284, 16630), (355, 13304), (568, 8315), (710, 6652), (1420, 3326), (1663, 2840)]