67711720

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{7591}}^1$

素因数の和:7825

約数の個数: 32

約数和(自身を含む): 153054720

約数和(自身を除く): 85343000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 7591, 8920, 15182, 30364, 37955, 60728, 75910, 151820, 303640, 1692793, 3385586, 6771172, 8463965, 13542344, 16927930, 33855860, 67711720]

約数ペア:

[(1, 67711720), (2, 33855860), (4, 16927930), (5, 13542344), (8, 8463965), (10, 6771172), (20, 3385586), (40, 1692793), (223, 303640), (446, 151820), (892, 75910), (1115, 60728), (1784, 37955), (2230, 30364), (4460, 15182), (7591, 8920)]