25101340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1607}}^1$

素因数の和:1698

約数の個数: 48

約数和(自身を含む): 58351104

約数和(自身を除く): 33249764

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 1607, 3124, 3214, 3905, 6428, 7810, 8035, 15620, 16070, 17677, 32140, 35354, 70708, 88385, 114097, 176770, 228194, 353540, 456388, 570485, 1140970, 1255067, 2281940, 2510134, 5020268, 6275335, 12550670, 25101340]

約数ペア:

[(1, 25101340), (2, 12550670), (4, 6275335), (5, 5020268), (10, 2510134), (11, 2281940), (20, 1255067), (22, 1140970), (44, 570485), (55, 456388), (71, 353540), (110, 228194), (142, 176770), (220, 114097), (284, 88385), (355, 70708), (710, 35354), (781, 32140), (1420, 17677), (1562, 16070), (1607, 15620), (3124, 8035), (3214, 7810), (3905, 6428)]