53144920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18713}}^1$

素因数の和:18795

約数の個数: 32

約数和(自身を含む): 121266720

約数和(自身を除く): 68121800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 18713, 37426, 74852, 93565, 149704, 187130, 374260, 748520, 1328623, 2657246, 5314492, 6643115, 10628984, 13286230, 26572460, 53144920]

約数ペア:

[(1, 53144920), (2, 26572460), (4, 13286230), (5, 10628984), (8, 6643115), (10, 5314492), (20, 2657246), (40, 1328623), (71, 748520), (142, 374260), (284, 187130), (355, 149704), (568, 93565), (710, 74852), (1420, 37426), (2840, 18713)]