8823640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31513}}^1$

素因数の和:31531

約数の個数: 32

約数和(自身を含む): 22690080

約数和(自身を除く): 13866440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 31513, 63026, 126052, 157565, 220591, 252104, 315130, 441182, 630260, 882364, 1102955, 1260520, 1764728, 2205910, 4411820, 8823640]

約数ペア:

[(1, 8823640), (2, 4411820), (4, 2205910), (5, 1764728), (7, 1260520), (8, 1102955), (10, 882364), (14, 630260), (20, 441182), (28, 315130), (35, 252104), (40, 220591), (56, 157565), (70, 126052), (140, 63026), (280, 31513)]