51182125

素因数分解:

$5^3\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:238

約数の個数: 32

約数和(自身を含む): 66493440

約数和(自身を除く): 15311315

約数列:

[1, 5, 25, 71, 73, 79, 125, 355, 365, 395, 1775, 1825, 1975, 5183, 5609, 5767, 8875, 9125, 9875, 25915, 28045, 28835, 129575, 140225, 144175, 409457, 647875, 701125, 720875, 2047285, 10236425, 51182125]

約数ペア:

[(1, 51182125), (5, 10236425), (25, 2047285), (71, 720875), (73, 701125), (79, 647875), (125, 409457), (355, 144175), (365, 140225), (395, 129575), (1775, 28835), (1825, 28045), (1975, 25915), (5183, 9875), (5609, 9125), (5767, 8875)]