2720256880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3091201}}^1$

素因数の和:3091225

約数の個数: 40

約数和(自身を含む): 6899562864

約数和(自身を除く): 4179305984

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 3091201, 6182402, 12364804, 15456005, 24729608, 30912010, 34003211, 49459216, 61824020, 68006422, 123648040, 136012844, 170016055, 247296080, 272025688, 340032110, 544051376, 680064220, 1360128440, 2720256880]

約数ペア:

[(1, 2720256880), (2, 1360128440), (4, 680064220), (5, 544051376), (8, 340032110), (10, 272025688), (11, 247296080), (16, 170016055), (20, 136012844), (22, 123648040), (40, 68006422), (44, 61824020), (55, 49459216), (80, 34003211), (88, 30912010), (110, 24729608), (176, 15456005), (220, 12364804), (440, 6182402), (880, 3091201)]