156855880

素因数分解:

$2^3\times 5^1\times {\mathrm{1399}}^1\times {\mathrm{2803}}^1$

素因数の和:4213

約数の個数: 32

約数和(自身を含む): 353304000

約数和(自身を除く): 196448120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1399, 2798, 2803, 5596, 5606, 6995, 11192, 11212, 13990, 14015, 22424, 27980, 28030, 55960, 56060, 112120, 3921397, 7842794, 15685588, 19606985, 31371176, 39213970, 78427940, 156855880]

約数ペア:

[(1, 156855880), (2, 78427940), (4, 39213970), (5, 31371176), (8, 19606985), (10, 15685588), (20, 7842794), (40, 3921397), (1399, 112120), (2798, 56060), (2803, 55960), (5596, 28030), (5606, 27980), (6995, 22424), (11192, 14015), (11212, 13990)]