25159472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:190

約数の個数: 80

約数和(自身を含む): 56142240

約数和(自身を除く): 30982768

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 43, 52, 58, 86, 97, 104, 116, 172, 194, 208, 232, 344, 377, 388, 464, 559, 688, 754, 776, 1118, 1247, 1261, 1508, 1552, 2236, 2494, 2522, 2813, 3016, 4171, 4472, 4988, 5044, 5626, 6032, 8342, 8944, 9976, 10088, 11252, 16211, 16684, 19952, 20176, 22504, 32422, 33368, 36569, 45008, 54223, 64844, 66736, 73138, 108446, 120959, 129688, 146276, 216892, 241918, 259376, 292552, 433784, 483836, 585104, 867568, 967672, 1572467, 1935344, 3144934, 6289868, 12579736, 25159472]

約数ペア:

[(1, 25159472), (2, 12579736), (4, 6289868), (8, 3144934), (13, 1935344), (16, 1572467), (26, 967672), (29, 867568), (43, 585104), (52, 483836), (58, 433784), (86, 292552), (97, 259376), (104, 241918), (116, 216892), (172, 146276), (194, 129688), (208, 120959), (232, 108446), (344, 73138), (377, 66736), (388, 64844), (464, 54223), (559, 45008), (688, 36569), (754, 33368), (776, 32422), (1118, 22504), (1247, 20176), (1261, 19952), (1508, 16684), (1552, 16211), (2236, 11252), (2494, 10088), (2522, 9976), (2813, 8944), (3016, 8342), (4171, 6032), (4472, 5626), (4988, 5044)]