28792020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{541}}^1\times {\mathrm{887}}^1$

素因数の和:1440

約数の個数: 48

約数和(自身を含む): 80857728

約数和(自身を除く): 52065708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 541, 887, 1082, 1623, 1774, 2164, 2661, 2705, 3246, 3548, 4435, 5322, 5410, 6492, 8115, 8870, 10644, 10820, 13305, 16230, 17740, 26610, 32460, 53220, 479867, 959734, 1439601, 1919468, 2399335, 2879202, 4798670, 5758404, 7198005, 9597340, 14396010, 28792020]

約数ペア:

[(1, 28792020), (2, 14396010), (3, 9597340), (4, 7198005), (5, 5758404), (6, 4798670), (10, 2879202), (12, 2399335), (15, 1919468), (20, 1439601), (30, 959734), (60, 479867), (541, 53220), (887, 32460), (1082, 26610), (1623, 17740), (1774, 16230), (2164, 13305), (2661, 10820), (2705, 10644), (3246, 8870), (3548, 8115), (4435, 6492), (5322, 5410)]