25643696

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:190

約数の個数: 80

約数和(自身を含む): 57163008

約数和(自身を除く): 31519312

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 41, 52, 62, 82, 97, 104, 124, 164, 194, 208, 248, 328, 388, 403, 496, 533, 656, 776, 806, 1066, 1261, 1271, 1552, 1612, 2132, 2522, 2542, 3007, 3224, 3977, 4264, 5044, 5084, 6014, 6448, 7954, 8528, 10088, 10168, 12028, 15908, 16523, 20176, 20336, 24056, 31816, 33046, 39091, 48112, 51701, 63632, 66092, 78182, 103402, 123287, 132184, 156364, 206804, 246574, 264368, 312728, 413608, 493148, 625456, 827216, 986296, 1602731, 1972592, 3205462, 6410924, 12821848, 25643696]

約数ペア:

[(1, 25643696), (2, 12821848), (4, 6410924), (8, 3205462), (13, 1972592), (16, 1602731), (26, 986296), (31, 827216), (41, 625456), (52, 493148), (62, 413608), (82, 312728), (97, 264368), (104, 246574), (124, 206804), (164, 156364), (194, 132184), (208, 123287), (248, 103402), (328, 78182), (388, 66092), (403, 63632), (496, 51701), (533, 48112), (656, 39091), (776, 33046), (806, 31816), (1066, 24056), (1261, 20336), (1271, 20176), (1552, 16523), (1612, 15908), (2132, 12028), (2522, 10168), (2542, 10088), (3007, 8528), (3224, 7954), (3977, 6448), (4264, 6014), (5044, 5084)]