57528020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2399}}^1$

素因数の和:2528

約数の個数: 48

約数和(自身を含む): 133056000

約数和(自身を除く): 75527980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2180, 2398, 2399, 4796, 4798, 5995, 9596, 11990, 11995, 23980, 23990, 26389, 47980, 52778, 105556, 131945, 261491, 263890, 522982, 527780, 1045964, 1307455, 2614910, 2876401, 5229820, 5752802, 11505604, 14382005, 28764010, 57528020]

約数ペア:

[(1, 57528020), (2, 28764010), (4, 14382005), (5, 11505604), (10, 5752802), (11, 5229820), (20, 2876401), (22, 2614910), (44, 1307455), (55, 1045964), (109, 527780), (110, 522982), (218, 263890), (220, 261491), (436, 131945), (545, 105556), (1090, 52778), (1199, 47980), (2180, 26389), (2398, 23990), (2399, 23980), (4796, 11995), (4798, 11990), (5995, 9596)]