3938440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8951}}^1$

素因数の和:8973

約数の個数: 32

約数和(自身を含む): 9668160

約数和(自身を除く): 5729720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 8951, 17902, 35804, 44755, 71608, 89510, 98461, 179020, 196922, 358040, 393844, 492305, 787688, 984610, 1969220, 3938440]

約数ペア:

[(1, 3938440), (2, 1969220), (4, 984610), (5, 787688), (8, 492305), (10, 393844), (11, 358040), (20, 196922), (22, 179020), (40, 98461), (44, 89510), (55, 71608), (88, 44755), (110, 35804), (220, 17902), (440, 8951)]