40128800

素因数分解:

$2^5\times 5^2\times {\mathrm{103}}^1\times {\mathrm{487}}^1$

素因数の和:610

約数の個数: 72

約数和(自身を含む): 99118656

約数和(自身を除く): 58989856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 103, 160, 200, 206, 400, 412, 487, 515, 800, 824, 974, 1030, 1648, 1948, 2060, 2435, 2575, 3296, 3896, 4120, 4870, 5150, 7792, 8240, 9740, 10300, 12175, 15584, 16480, 19480, 20600, 24350, 38960, 41200, 48700, 50161, 77920, 82400, 97400, 100322, 194800, 200644, 250805, 389600, 401288, 501610, 802576, 1003220, 1254025, 1605152, 2006440, 2508050, 4012880, 5016100, 8025760, 10032200, 20064400, 40128800]

約数ペア:

[(1, 40128800), (2, 20064400), (4, 10032200), (5, 8025760), (8, 5016100), (10, 4012880), (16, 2508050), (20, 2006440), (25, 1605152), (32, 1254025), (40, 1003220), (50, 802576), (80, 501610), (100, 401288), (103, 389600), (160, 250805), (200, 200644), (206, 194800), (400, 100322), (412, 97400), (487, 82400), (515, 77920), (800, 50161), (824, 48700), (974, 41200), (1030, 38960), (1648, 24350), (1948, 20600), (2060, 19480), (2435, 16480), (2575, 15584), (3296, 12175), (3896, 10300), (4120, 9740), (4870, 8240), (5150, 7792)]