26538380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1699}}^1$

素因数の和:1790

約数の個数: 48

約数和(自身を含む): 61689600

約数和(自身を除く): 35151220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 1699, 3124, 3398, 3905, 6796, 7810, 8495, 15620, 16990, 18689, 33980, 37378, 74756, 93445, 120629, 186890, 241258, 373780, 482516, 603145, 1206290, 1326919, 2412580, 2653838, 5307676, 6634595, 13269190, 26538380]

約数ペア:

[(1, 26538380), (2, 13269190), (4, 6634595), (5, 5307676), (10, 2653838), (11, 2412580), (20, 1326919), (22, 1206290), (44, 603145), (55, 482516), (71, 373780), (110, 241258), (142, 186890), (220, 120629), (284, 93445), (355, 74756), (710, 37378), (781, 33980), (1420, 18689), (1562, 16990), (1699, 15620), (3124, 8495), (3398, 7810), (3905, 6796)]