28666340

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{23497}}^1$

素因数の和:23567

約数の個数: 24

約数和(自身を含む): 61188792

約数和(自身を除く): 32522452

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 23497, 46994, 93988, 117485, 234970, 469940, 1433317, 2866634, 5733268, 7166585, 14333170, 28666340]

約数ペア:

[(1, 28666340), (2, 14333170), (4, 7166585), (5, 5733268), (10, 2866634), (20, 1433317), (61, 469940), (122, 234970), (244, 117485), (305, 93988), (610, 46994), (1220, 23497)]