40000700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{569}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 94004400

約数和(自身を除く): 54003700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 37, 38, 50, 74, 76, 95, 100, 148, 185, 190, 370, 380, 475, 569, 703, 740, 925, 950, 1138, 1406, 1850, 1900, 2276, 2812, 2845, 3515, 3700, 5690, 7030, 10811, 11380, 14060, 14225, 17575, 21053, 21622, 28450, 35150, 42106, 43244, 54055, 56900, 70300, 84212, 105265, 108110, 210530, 216220, 270275, 400007, 421060, 526325, 540550, 800014, 1052650, 1081100, 1600028, 2000035, 2105300, 4000070, 8000140, 10000175, 20000350, 40000700]

約数ペア:

[(1, 40000700), (2, 20000350), (4, 10000175), (5, 8000140), (10, 4000070), (19, 2105300), (20, 2000035), (25, 1600028), (37, 1081100), (38, 1052650), (50, 800014), (74, 540550), (76, 526325), (95, 421060), (100, 400007), (148, 270275), (185, 216220), (190, 210530), (370, 108110), (380, 105265), (475, 84212), (569, 70300), (703, 56900), (740, 54055), (925, 43244), (950, 42106), (1138, 35150), (1406, 28450), (1850, 21622), (1900, 21053), (2276, 17575), (2812, 14225), (2845, 14060), (3515, 11380), (3700, 10811), (5690, 7030)]