16421560

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1163}}^1$

素因数の和:1527

約数の個数: 32

約数和(自身を含む): 37085040

約数和(自身を除く): 20663480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1163, 1412, 1765, 2326, 2824, 3530, 4652, 5815, 7060, 9304, 11630, 14120, 23260, 46520, 410539, 821078, 1642156, 2052695, 3284312, 4105390, 8210780, 16421560]

約数ペア:

[(1, 16421560), (2, 8210780), (4, 4105390), (5, 3284312), (8, 2052695), (10, 1642156), (20, 821078), (40, 410539), (353, 46520), (706, 23260), (1163, 14120), (1412, 11630), (1765, 9304), (2326, 7060), (2824, 5815), (3530, 4652)]