78866540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{171449}}^1$

素因数の和:171481

約数の個数: 24

約数和(自身を含む): 172821600

約数和(自身を除く): 93955060

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 171449, 342898, 685796, 857245, 1714490, 3428980, 3943327, 7886654, 15773308, 19716635, 39433270, 78866540]

約数ペア:

[(1, 78866540), (2, 39433270), (4, 19716635), (5, 15773308), (10, 7886654), (20, 3943327), (23, 3428980), (46, 1714490), (92, 857245), (115, 685796), (230, 342898), (460, 171449)]