40078400

素因数分解:

$2^6\times 5^2\times {\mathrm{37}}^1\times {\mathrm{677}}^1$

素因数の和:736

約数の個数: 84

約数和(自身を含む): 101432868

約数和(自身を除く): 61354468

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 64, 74, 80, 100, 148, 160, 185, 200, 296, 320, 370, 400, 592, 677, 740, 800, 925, 1184, 1354, 1480, 1600, 1850, 2368, 2708, 2960, 3385, 3700, 5416, 5920, 6770, 7400, 10832, 11840, 13540, 14800, 16925, 21664, 25049, 27080, 29600, 33850, 43328, 50098, 54160, 59200, 67700, 100196, 108320, 125245, 135400, 200392, 216640, 250490, 270800, 400784, 500980, 541600, 626225, 801568, 1001960, 1083200, 1252450, 1603136, 2003920, 2504900, 4007840, 5009800, 8015680, 10019600, 20039200, 40078400]

約数ペア:

[(1, 40078400), (2, 20039200), (4, 10019600), (5, 8015680), (8, 5009800), (10, 4007840), (16, 2504900), (20, 2003920), (25, 1603136), (32, 1252450), (37, 1083200), (40, 1001960), (50, 801568), (64, 626225), (74, 541600), (80, 500980), (100, 400784), (148, 270800), (160, 250490), (185, 216640), (200, 200392), (296, 135400), (320, 125245), (370, 108320), (400, 100196), (592, 67700), (677, 59200), (740, 54160), (800, 50098), (925, 43328), (1184, 33850), (1354, 29600), (1480, 27080), (1600, 25049), (1850, 21664), (2368, 16925), (2708, 14800), (2960, 13540), (3385, 11840), (3700, 10832), (5416, 7400), (5920, 6770)]