80287840

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12239}}^1$

素因数の和:12295

約数の個数: 48

約数和(自身を含む): 194322240

約数和(自身を除く): 114034400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 12239, 24478, 48956, 61195, 97912, 122390, 195824, 244780, 391648, 489560, 501799, 979120, 1003598, 1958240, 2007196, 2508995, 4014392, 5017990, 8028784, 10035980, 16057568, 20071960, 40143920, 80287840]

約数ペア:

[(1, 80287840), (2, 40143920), (4, 20071960), (5, 16057568), (8, 10035980), (10, 8028784), (16, 5017990), (20, 4014392), (32, 2508995), (40, 2007196), (41, 1958240), (80, 1003598), (82, 979120), (160, 501799), (164, 489560), (205, 391648), (328, 244780), (410, 195824), (656, 122390), (820, 97912), (1312, 61195), (1640, 48956), (3280, 24478), (6560, 12239)]