26281720

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8317}}^1$

素因数の和:8407

約数の個数: 32

約数和(自身を含む): 59889600

約数和(自身を除く): 33607880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 8317, 16634, 33268, 41585, 66536, 83170, 166340, 332680, 657043, 1314086, 2628172, 3285215, 5256344, 6570430, 13140860, 26281720]

約数ペア:

[(1, 26281720), (2, 13140860), (4, 6570430), (5, 5256344), (8, 3285215), (10, 2628172), (20, 1314086), (40, 657043), (79, 332680), (158, 166340), (316, 83170), (395, 66536), (632, 41585), (790, 33268), (1580, 16634), (3160, 8317)]