68916880

素因数分解:

$2^4\times 5^1\times {\mathrm{577}}^1\times {\mathrm{1493}}^1$

素因数の和:2083

約数の個数: 40

約数和(自身を含む): 160616952

約数和(自身を除く): 91700072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 577, 1154, 1493, 2308, 2885, 2986, 4616, 5770, 5972, 7465, 9232, 11540, 11944, 14930, 23080, 23888, 29860, 46160, 59720, 119440, 861461, 1722922, 3445844, 4307305, 6891688, 8614610, 13783376, 17229220, 34458440, 68916880]

約数ペア:

[(1, 68916880), (2, 34458440), (4, 17229220), (5, 13783376), (8, 8614610), (10, 6891688), (16, 4307305), (20, 3445844), (40, 1722922), (80, 861461), (577, 119440), (1154, 59720), (1493, 46160), (2308, 29860), (2885, 23888), (2986, 23080), (4616, 14930), (5770, 11944), (5972, 11540), (7465, 9232)]