89456240

素因数分解:

$2^4\times 5^1\times {\mathrm{1118203}}^1$

素因数の和:1118216

約数の個数: 20

約数和(自身を含む): 207985944

約数和(自身を除く): 118529704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1118203, 2236406, 4472812, 5591015, 8945624, 11182030, 17891248, 22364060, 44728120, 89456240]

約数ペア:

[(1, 89456240), (2, 44728120), (4, 22364060), (5, 17891248), (8, 11182030), (10, 8945624), (16, 5591015), (20, 4472812), (40, 2236406), (80, 1118203)]