51994400

素因数分解:

$2^5\times 5^2\times {\mathrm{103}}^1\times {\mathrm{631}}^1$

素因数の和:754

約数の個数: 72

約数和(自身を含む): 128366784

約数和(自身を除く): 76372384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 103, 160, 200, 206, 400, 412, 515, 631, 800, 824, 1030, 1262, 1648, 2060, 2524, 2575, 3155, 3296, 4120, 5048, 5150, 6310, 8240, 10096, 10300, 12620, 15775, 16480, 20192, 20600, 25240, 31550, 41200, 50480, 63100, 64993, 82400, 100960, 126200, 129986, 252400, 259972, 324965, 504800, 519944, 649930, 1039888, 1299860, 1624825, 2079776, 2599720, 3249650, 5199440, 6499300, 10398880, 12998600, 25997200, 51994400]

約数ペア:

[(1, 51994400), (2, 25997200), (4, 12998600), (5, 10398880), (8, 6499300), (10, 5199440), (16, 3249650), (20, 2599720), (25, 2079776), (32, 1624825), (40, 1299860), (50, 1039888), (80, 649930), (100, 519944), (103, 504800), (160, 324965), (200, 259972), (206, 252400), (400, 129986), (412, 126200), (515, 100960), (631, 82400), (800, 64993), (824, 63100), (1030, 50480), (1262, 41200), (1648, 31550), (2060, 25240), (2524, 20600), (2575, 20192), (3155, 16480), (3296, 15775), (4120, 12620), (5048, 10300), (5150, 10096), (6310, 8240)]