2216560

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1$

素因数の和:385

約数の個数: 40

約数和(自身を含む): 5222880

約数和(自身を除く): 3006320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 269, 412, 515, 538, 824, 1030, 1076, 1345, 1648, 2060, 2152, 2690, 4120, 4304, 5380, 8240, 10760, 21520, 27707, 55414, 110828, 138535, 221656, 277070, 443312, 554140, 1108280, 2216560]

約数ペア:

[(1, 2216560), (2, 1108280), (4, 554140), (5, 443312), (8, 277070), (10, 221656), (16, 138535), (20, 110828), (40, 55414), (80, 27707), (103, 21520), (206, 10760), (269, 8240), (412, 5380), (515, 4304), (538, 4120), (824, 2690), (1030, 2152), (1076, 2060), (1345, 1648)]