259017280

素因数分解:

$2^6\times 5^1\times {\mathrm{353}}^1\times {\mathrm{2293}}^1$

素因数の和:2663

約数の個数: 56

約数和(自身を含む): 618801912

約数和(自身を除く): 359784632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 353, 706, 1412, 1765, 2293, 2824, 3530, 4586, 5648, 7060, 9172, 11296, 11465, 14120, 18344, 22592, 22930, 28240, 36688, 45860, 56480, 73376, 91720, 112960, 146752, 183440, 366880, 733760, 809429, 1618858, 3237716, 4047145, 6475432, 8094290, 12950864, 16188580, 25901728, 32377160, 51803456, 64754320, 129508640, 259017280]

約数ペア:

[(1, 259017280), (2, 129508640), (4, 64754320), (5, 51803456), (8, 32377160), (10, 25901728), (16, 16188580), (20, 12950864), (32, 8094290), (40, 6475432), (64, 4047145), (80, 3237716), (160, 1618858), (320, 809429), (353, 733760), (706, 366880), (1412, 183440), (1765, 146752), (2293, 112960), (2824, 91720), (3530, 73376), (4586, 56480), (5648, 45860), (7060, 36688), (9172, 28240), (11296, 22930), (11465, 22592), (14120, 18344)]