40408648

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 90034560

約数和(自身を除く): 49625912

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 97, 172, 173, 194, 301, 344, 346, 388, 602, 679, 692, 776, 1204, 1211, 1358, 1384, 2408, 2422, 2716, 4171, 4844, 5432, 7439, 8342, 9688, 14878, 16684, 16781, 29197, 29756, 33368, 33562, 52073, 58394, 59512, 67124, 104146, 116788, 117467, 134248, 208292, 233576, 234934, 416584, 469868, 721583, 939736, 1443166, 2886332, 5051081, 5772664, 10102162, 20204324, 40408648]

約数ペア:

[(1, 40408648), (2, 20204324), (4, 10102162), (7, 5772664), (8, 5051081), (14, 2886332), (28, 1443166), (43, 939736), (56, 721583), (86, 469868), (97, 416584), (172, 234934), (173, 233576), (194, 208292), (301, 134248), (344, 117467), (346, 116788), (388, 104146), (602, 67124), (679, 59512), (692, 58394), (776, 52073), (1204, 33562), (1211, 33368), (1358, 29756), (1384, 29197), (2408, 16781), (2422, 16684), (2716, 14878), (4171, 9688), (4844, 8342), (5432, 7439)]