616240

素因数分解:

$2^4\times 5^1\times {\mathrm{7703}}^1$

素因数の和:7716

約数の個数: 20

約数和(自身を含む): 1432944

約数和(自身を除く): 816704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 7703, 15406, 30812, 38515, 61624, 77030, 123248, 154060, 308120, 616240]

約数ペア:

[(1, 616240), (2, 308120), (4, 154060), (5, 123248), (8, 77030), (10, 61624), (16, 38515), (20, 30812), (40, 15406), (80, 7703)]