5644880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1721}}^1$

素因数の和:1775

約数の個数: 40

約数和(自身を含む): 13452264

約数和(自身を除く): 7807384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 1721, 3280, 3442, 6884, 8605, 13768, 17210, 27536, 34420, 68840, 70561, 137680, 141122, 282244, 352805, 564488, 705610, 1128976, 1411220, 2822440, 5644880]

約数ペア:

[(1, 5644880), (2, 2822440), (4, 1411220), (5, 1128976), (8, 705610), (10, 564488), (16, 352805), (20, 282244), (40, 141122), (41, 137680), (80, 70561), (82, 68840), (164, 34420), (205, 27536), (328, 17210), (410, 13768), (656, 8605), (820, 6884), (1640, 3442), (1721, 3280)]