63640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:91

約数の個数: 32

約数和(自身を含む): 150480

約数和(自身を除く): 86840

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 74, 86, 148, 172, 185, 215, 296, 344, 370, 430, 740, 860, 1480, 1591, 1720, 3182, 6364, 7955, 12728, 15910, 31820, 63640]

約数ペア:

[(1, 63640), (2, 31820), (4, 15910), (5, 12728), (8, 7955), (10, 6364), (20, 3182), (37, 1720), (40, 1591), (43, 1480), (74, 860), (86, 740), (148, 430), (172, 370), (185, 344), (215, 296)]