618568240

素因数分解:

$2^4\times 5^1\times {\mathrm{7732103}}^1$

素因数の和:7732116

約数の個数: 20

約数和(自身を含む): 1438171344

約数和(自身を除く): 819603104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 7732103, 15464206, 30928412, 38660515, 61856824, 77321030, 123713648, 154642060, 309284120, 618568240]

約数ペア:

[(1, 618568240), (2, 309284120), (4, 154642060), (5, 123713648), (8, 77321030), (10, 61856824), (16, 38660515), (20, 30928412), (40, 15464206), (80, 7732103)]