26558180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1979}}^1$

素因数の和:2060

約数の個数: 48

約数和(自身を含む): 61871040

約数和(自身を除く): 35312860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 1979, 2684, 3355, 3958, 6710, 7916, 9895, 13420, 19790, 21769, 39580, 43538, 87076, 108845, 120719, 217690, 241438, 435380, 482876, 603595, 1207190, 1327909, 2414380, 2655818, 5311636, 6639545, 13279090, 26558180]

約数ペア:

[(1, 26558180), (2, 13279090), (4, 6639545), (5, 5311636), (10, 2655818), (11, 2414380), (20, 1327909), (22, 1207190), (44, 603595), (55, 482876), (61, 435380), (110, 241438), (122, 217690), (220, 120719), (244, 108845), (305, 87076), (610, 43538), (671, 39580), (1220, 21769), (1342, 19790), (1979, 13420), (2684, 9895), (3355, 7916), (3958, 6710)]