28605280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16253}}^1$

素因数の和:16279

約数の個数: 48

約数和(自身を含む): 73728144

約数和(自身を除く): 45122864

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, 1760, 16253, 32506, 65012, 81265, 130024, 162530, 178783, 260048, 325060, 357566, 520096, 650120, 715132, 893915, 1300240, 1430264, 1787830, 2600480, 2860528, 3575660, 5721056, 7151320, 14302640, 28605280]

約数ペア:

[(1, 28605280), (2, 14302640), (4, 7151320), (5, 5721056), (8, 3575660), (10, 2860528), (11, 2600480), (16, 1787830), (20, 1430264), (22, 1300240), (32, 893915), (40, 715132), (44, 650120), (55, 520096), (80, 357566), (88, 325060), (110, 260048), (160, 178783), (176, 162530), (220, 130024), (352, 81265), (440, 65012), (880, 32506), (1760, 16253)]