25201790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 51148800

約数和(自身を除く): 25947010

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 73, 79, 95, 115, 146, 158, 190, 230, 365, 395, 437, 730, 790, 874, 1387, 1501, 1679, 1817, 2185, 2774, 3002, 3358, 3634, 4370, 5767, 6935, 7505, 8395, 9085, 11534, 13870, 15010, 16790, 18170, 28835, 31901, 34523, 57670, 63802, 69046, 109573, 132641, 159505, 172615, 219146, 265282, 319010, 345230, 547865, 663205, 1095730, 1326410, 2520179, 5040358, 12600895, 25201790]

約数ペア:

[(1, 25201790), (2, 12600895), (5, 5040358), (10, 2520179), (19, 1326410), (23, 1095730), (38, 663205), (46, 547865), (73, 345230), (79, 319010), (95, 265282), (115, 219146), (146, 172615), (158, 159505), (190, 132641), (230, 109573), (365, 69046), (395, 63802), (437, 57670), (730, 34523), (790, 31901), (874, 28835), (1387, 18170), (1501, 16790), (1679, 15010), (1817, 13870), (2185, 11534), (2774, 9085), (3002, 8395), (3358, 7505), (3634, 6935), (4370, 5767)]