253222720

素因数分解:

$2^6\times 5^1\times {\mathrm{791321}}^1$

素因数の和:791338

約数の個数: 28

約数和(自身を含む): 602987364

約数和(自身を除く): 349764644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 791321, 1582642, 3165284, 3956605, 6330568, 7913210, 12661136, 15826420, 25322272, 31652840, 50644544, 63305680, 126611360, 253222720]

約数ペア:

[(1, 253222720), (2, 126611360), (4, 63305680), (5, 50644544), (8, 31652840), (10, 25322272), (16, 15826420), (20, 12661136), (32, 7913210), (40, 6330568), (64, 3956605), (80, 3165284), (160, 1582642), (320, 791321)]