11214440

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{571}}^1$

素因数の和:1073

約数の個数: 32

約数和(自身を含む): 25328160

約数和(自身を除く): 14113720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 571, 982, 1142, 1964, 2284, 2455, 2855, 3928, 4568, 4910, 5710, 9820, 11420, 19640, 22840, 280361, 560722, 1121444, 1401805, 2242888, 2803610, 5607220, 11214440]

約数ペア:

[(1, 11214440), (2, 5607220), (4, 2803610), (5, 2242888), (8, 1401805), (10, 1121444), (20, 560722), (40, 280361), (491, 22840), (571, 19640), (982, 11420), (1142, 9820), (1964, 5710), (2284, 4910), (2455, 4568), (2855, 3928)]