28600040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4441}}^1$

素因数の和:4482

約数の個数: 64

約数和(自身を含む): 76757760

約数和(自身を除く): 48157720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 4441, 6440, 8882, 17764, 22205, 31087, 35528, 44410, 62174, 88820, 102143, 124348, 155435, 177640, 204286, 248696, 310870, 408572, 510715, 621740, 715001, 817144, 1021430, 1243480, 1430002, 2042860, 2860004, 3575005, 4085720, 5720008, 7150010, 14300020, 28600040]

約数ペア:

[(1, 28600040), (2, 14300020), (4, 7150010), (5, 5720008), (7, 4085720), (8, 3575005), (10, 2860004), (14, 2042860), (20, 1430002), (23, 1243480), (28, 1021430), (35, 817144), (40, 715001), (46, 621740), (56, 510715), (70, 408572), (92, 310870), (115, 248696), (140, 204286), (161, 177640), (184, 155435), (230, 124348), (280, 102143), (322, 88820), (460, 62174), (644, 44410), (805, 35528), (920, 31087), (1288, 22205), (1610, 17764), (3220, 8882), (4441, 6440)]