28795660

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{23603}}^1$

素因数の和:23673

約数の個数: 24

約数和(自身を含む): 61464816

約数和(自身を除く): 32669156

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 23603, 47206, 94412, 118015, 236030, 472060, 1439783, 2879566, 5759132, 7198915, 14397830, 28795660]

約数ペア:

[(1, 28795660), (2, 14397830), (4, 7198915), (5, 5759132), (10, 2879566), (20, 1439783), (61, 472060), (122, 236030), (244, 118015), (305, 94412), (610, 47206), (1220, 23603)]