25687420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1979}}^1$

素因数の和:2058

約数の個数: 48

約数和(自身を含む): 59875200

約数和(自身を除く): 34187780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 1979, 2596, 3245, 3958, 6490, 7916, 9895, 12980, 19790, 21769, 39580, 43538, 87076, 108845, 116761, 217690, 233522, 435380, 467044, 583805, 1167610, 1284371, 2335220, 2568742, 5137484, 6421855, 12843710, 25687420]

約数ペア:

[(1, 25687420), (2, 12843710), (4, 6421855), (5, 5137484), (10, 2568742), (11, 2335220), (20, 1284371), (22, 1167610), (44, 583805), (55, 467044), (59, 435380), (110, 233522), (118, 217690), (220, 116761), (236, 108845), (295, 87076), (590, 43538), (649, 39580), (1180, 21769), (1298, 19790), (1979, 12980), (2596, 9895), (3245, 7916), (3958, 6490)]