4020470

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{983}}^1$

素因数の和:1399

約数の個数: 16

約数和(自身を含む): 7261920

約数和(自身を除く): 3241450

約数列:

[1, 2, 5, 10, 409, 818, 983, 1966, 2045, 4090, 4915, 9830, 402047, 804094, 2010235, 4020470]

約数ペア:

[(1, 4020470), (2, 2010235), (5, 804094), (10, 402047), (409, 9830), (818, 4915), (983, 4090), (1966, 2045)]