2019922400

素因数分解:

$2^5\times 5^2\times {\mathrm{41}}^1\times {\mathrm{61583}}^1$

素因数の和:61644

約数の個数: 72

約数和(自身を含む): 5051489184

約数和(自身を除く): 3031566784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 80, 82, 100, 160, 164, 200, 205, 328, 400, 410, 656, 800, 820, 1025, 1312, 1640, 2050, 3280, 4100, 6560, 8200, 16400, 32800, 61583, 123166, 246332, 307915, 492664, 615830, 985328, 1231660, 1539575, 1970656, 2463320, 2524903, 3079150, 4926640, 5049806, 6158300, 9853280, 10099612, 12316600, 12624515, 20199224, 24633200, 25249030, 40398448, 49266400, 50498060, 63122575, 80796896, 100996120, 126245150, 201992240, 252490300, 403984480, 504980600, 1009961200, 2019922400]

約数ペア:

[(1, 2019922400), (2, 1009961200), (4, 504980600), (5, 403984480), (8, 252490300), (10, 201992240), (16, 126245150), (20, 100996120), (25, 80796896), (32, 63122575), (40, 50498060), (41, 49266400), (50, 40398448), (80, 25249030), (82, 24633200), (100, 20199224), (160, 12624515), (164, 12316600), (200, 10099612), (205, 9853280), (328, 6158300), (400, 5049806), (410, 4926640), (656, 3079150), (800, 2524903), (820, 2463320), (1025, 1970656), (1312, 1539575), (1640, 1231660), (2050, 985328), (3280, 615830), (4100, 492664), (6560, 307915), (8200, 246332), (16400, 123166), (32800, 61583)]