65686240

素因数分解:

$2^5\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1163}}^1$

素因数の和:1531

約数の個数: 48

約数和(自身を含む): 155757168

約数和(自身を除く): 90070928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 353, 706, 1163, 1412, 1765, 2326, 2824, 3530, 4652, 5648, 5815, 7060, 9304, 11296, 11630, 14120, 18608, 23260, 28240, 37216, 46520, 56480, 93040, 186080, 410539, 821078, 1642156, 2052695, 3284312, 4105390, 6568624, 8210780, 13137248, 16421560, 32843120, 65686240]

約数ペア:

[(1, 65686240), (2, 32843120), (4, 16421560), (5, 13137248), (8, 8210780), (10, 6568624), (16, 4105390), (20, 3284312), (32, 2052695), (40, 1642156), (80, 821078), (160, 410539), (353, 186080), (706, 93040), (1163, 56480), (1412, 46520), (1765, 37216), (2326, 28240), (2824, 23260), (3530, 18608), (4652, 14120), (5648, 11630), (5815, 11296), (7060, 9304)]