263222720

素因数分解:

$2^6\times 5^1\times {\mathrm{822571}}^1$

素因数の和:822588

約数の個数: 28

約数和(自身を含む): 626799864

約数和(自身を除く): 363577144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 822571, 1645142, 3290284, 4112855, 6580568, 8225710, 13161136, 16451420, 26322272, 32902840, 52644544, 65805680, 131611360, 263222720]

約数ペア:

[(1, 263222720), (2, 131611360), (4, 65805680), (5, 52644544), (8, 32902840), (10, 26322272), (16, 16451420), (20, 13161136), (32, 8225710), (40, 6580568), (64, 4112855), (80, 3290284), (160, 1645142), (320, 822571)]