89646620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{640333}}^1$

素因数の和:640349

約数の個数: 24

約数和(自身を含む): 215152224

約数和(自身を除く): 125505604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 640333, 1280666, 2561332, 3201665, 4482331, 6403330, 8964662, 12806660, 17929324, 22411655, 44823310, 89646620]

約数ペア:

[(1, 89646620), (2, 44823310), (4, 22411655), (5, 17929324), (7, 12806660), (10, 8964662), (14, 6403330), (20, 4482331), (28, 3201665), (35, 2561332), (70, 1280666), (140, 640333)]