9408920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3313}}^1$

素因数の和:3395

約数の個数: 32

約数和(自身を含む): 21474720

約数和(自身を除く): 12065800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 3313, 6626, 13252, 16565, 26504, 33130, 66260, 132520, 235223, 470446, 940892, 1176115, 1881784, 2352230, 4704460, 9408920]

約数ペア:

[(1, 9408920), (2, 4704460), (4, 2352230), (5, 1881784), (8, 1176115), (10, 940892), (20, 470446), (40, 235223), (71, 132520), (142, 66260), (284, 33130), (355, 26504), (568, 16565), (710, 13252), (1420, 6626), (2840, 3313)]