28995740

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{23767}}^1$

素因数の和:23837

約数の個数: 24

約数和(自身を含む): 61891872

約数和(自身を除く): 32896132

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 23767, 47534, 95068, 118835, 237670, 475340, 1449787, 2899574, 5799148, 7248935, 14497870, 28995740]

約数ペア:

[(1, 28995740), (2, 14497870), (4, 7248935), (5, 5799148), (10, 2899574), (20, 1449787), (61, 475340), (122, 237670), (244, 118835), (305, 95068), (610, 47534), (1220, 23767)]