66896240

素因数分解:

$2^4\times 5^1\times {\mathrm{836203}}^1$

素因数の和:836216

約数の個数: 20

約数和(自身を含む): 155533944

約数和(自身を除く): 88637704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 836203, 1672406, 3344812, 4181015, 6689624, 8362030, 13379248, 16724060, 33448120, 66896240]

約数ペア:

[(1, 66896240), (2, 33448120), (4, 16724060), (5, 13379248), (8, 8362030), (10, 6689624), (16, 4181015), (20, 3344812), (40, 1672406), (80, 836203)]