1020528040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{3644743}}^1$

素因数の和:3644761

約数の個数: 32

約数和(自身を含む): 2624215680

約数和(自身を除く): 1603687640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 3644743, 7289486, 14578972, 18223715, 25513201, 29157944, 36447430, 51026402, 72894860, 102052804, 127566005, 145789720, 204105608, 255132010, 510264020, 1020528040]

約数ペア:

[(1, 1020528040), (2, 510264020), (4, 255132010), (5, 204105608), (7, 145789720), (8, 127566005), (10, 102052804), (14, 72894860), (20, 51026402), (28, 36447430), (35, 29157944), (40, 25513201), (56, 18223715), (70, 14578972), (140, 7289486), (280, 3644743)]