2881120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1637}}^1$

素因数の和:1663

約数の個数: 48

約数和(自身を含む): 7429968

約数和(自身を除く): 4548848

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1637, 1760, 3274, 6548, 8185, 13096, 16370, 18007, 26192, 32740, 36014, 52384, 65480, 72028, 90035, 130960, 144056, 180070, 261920, 288112, 360140, 576224, 720280, 1440560, 2881120]

約数ペア:

[(1, 2881120), (2, 1440560), (4, 720280), (5, 576224), (8, 360140), (10, 288112), (11, 261920), (16, 180070), (20, 144056), (22, 130960), (32, 90035), (40, 72028), (44, 65480), (55, 52384), (80, 36014), (88, 32740), (110, 26192), (160, 18007), (176, 16370), (220, 13096), (352, 8185), (440, 6548), (880, 3274), (1637, 1760)]