68237440

素因数分解:

$2^7\times 5^1\times {\mathrm{106621}}^1$

素因数の和:106640

約数の個数: 32

約数和(自身を含む): 163131660

約数和(自身を除く): 94894220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 106621, 213242, 426484, 533105, 852968, 1066210, 1705936, 2132420, 3411872, 4264840, 6823744, 8529680, 13647488, 17059360, 34118720, 68237440]

約数ペア:

[(1, 68237440), (2, 34118720), (4, 17059360), (5, 13647488), (8, 8529680), (10, 6823744), (16, 4264840), (20, 3411872), (32, 2132420), (40, 1705936), (64, 1066210), (80, 852968), (128, 533105), (160, 426484), (320, 213242), (640, 106621)]