788401940

素因数分解:

$2^2\times 5^1\times {\mathrm{5039}}^1\times {\mathrm{7823}}^1$

素因数の和:12871

約数の個数: 24

約数和(自身を含む): 1656184320

約数和(自身を除く): 867782380

約数列:

[1, 2, 4, 5, 10, 20, 5039, 7823, 10078, 15646, 20156, 25195, 31292, 39115, 50390, 78230, 100780, 156460, 39420097, 78840194, 157680388, 197100485, 394200970, 788401940]

約数ペア:

[(1, 788401940), (2, 394200970), (4, 197100485), (5, 157680388), (10, 78840194), (20, 39420097), (5039, 156460), (7823, 100780), (10078, 78230), (15646, 50390), (20156, 39115), (25195, 31292)]