22428880

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{571}}^1$

素因数の和:1075

約数の個数: 40

約数和(自身を含む): 52344864

約数和(自身を除く): 29915984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 571, 982, 1142, 1964, 2284, 2455, 2855, 3928, 4568, 4910, 5710, 7856, 9136, 9820, 11420, 19640, 22840, 39280, 45680, 280361, 560722, 1121444, 1401805, 2242888, 2803610, 4485776, 5607220, 11214440, 22428880]

約数ペア:

[(1, 22428880), (2, 11214440), (4, 5607220), (5, 4485776), (8, 2803610), (10, 2242888), (16, 1401805), (20, 1121444), (40, 560722), (80, 280361), (491, 45680), (571, 39280), (982, 22840), (1142, 19640), (1964, 11420), (2284, 9820), (2455, 9136), (2855, 7856), (3928, 5710), (4568, 4910)]