82637140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{563}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 179081280

約数和(自身を除く): 96444140

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 179, 205, 358, 410, 563, 716, 820, 895, 1126, 1790, 2252, 2815, 3580, 5630, 7339, 11260, 14678, 23083, 29356, 36695, 46166, 73390, 92332, 100777, 115415, 146780, 201554, 230830, 403108, 461660, 503885, 1007770, 2015540, 4131857, 8263714, 16527428, 20659285, 41318570, 82637140]

約数ペア:

[(1, 82637140), (2, 41318570), (4, 20659285), (5, 16527428), (10, 8263714), (20, 4131857), (41, 2015540), (82, 1007770), (164, 503885), (179, 461660), (205, 403108), (358, 230830), (410, 201554), (563, 146780), (716, 115415), (820, 100777), (895, 92332), (1126, 73390), (1790, 46166), (2252, 36695), (2815, 29356), (3580, 23083), (5630, 14678), (7339, 11260)]