7228880

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{829}}^1$

素因数の和:951

約数の個数: 40

約数和(自身を含む): 16981800

約数和(自身を除く): 9752920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 829, 872, 1090, 1658, 1744, 2180, 3316, 4145, 4360, 6632, 8290, 8720, 13264, 16580, 33160, 66320, 90361, 180722, 361444, 451805, 722888, 903610, 1445776, 1807220, 3614440, 7228880]

約数ペア:

[(1, 7228880), (2, 3614440), (4, 1807220), (5, 1445776), (8, 903610), (10, 722888), (16, 451805), (20, 361444), (40, 180722), (80, 90361), (109, 66320), (218, 33160), (436, 16580), (545, 13264), (829, 8720), (872, 8290), (1090, 6632), (1658, 4360), (1744, 4145), (2180, 3316)]