28732020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1987}}^1$

素因数の和:2240

約数の個数: 48

約数和(自身を含む): 80824128

約数和(自身を除く): 52092108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 241, 482, 723, 964, 1205, 1446, 1987, 2410, 2892, 3615, 3974, 4820, 5961, 7230, 7948, 9935, 11922, 14460, 19870, 23844, 29805, 39740, 59610, 119220, 478867, 957734, 1436601, 1915468, 2394335, 2873202, 4788670, 5746404, 7183005, 9577340, 14366010, 28732020]

約数ペア:

[(1, 28732020), (2, 14366010), (3, 9577340), (4, 7183005), (5, 5746404), (6, 4788670), (10, 2873202), (12, 2394335), (15, 1915468), (20, 1436601), (30, 957734), (60, 478867), (241, 119220), (482, 59610), (723, 39740), (964, 29805), (1205, 23844), (1446, 19870), (1987, 14460), (2410, 11922), (2892, 9935), (3615, 7948), (3974, 7230), (4820, 5961)]