100280800

素因数分解:

$2^5\times 5^2\times {\mathrm{103}}^1\times {\mathrm{1217}}^1$

素因数の和:1340

約数の個数: 72

約数和(自身を含む): 247390416

約数和(自身を除く): 147109616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 103, 160, 200, 206, 400, 412, 515, 800, 824, 1030, 1217, 1648, 2060, 2434, 2575, 3296, 4120, 4868, 5150, 6085, 8240, 9736, 10300, 12170, 16480, 19472, 20600, 24340, 30425, 38944, 41200, 48680, 60850, 82400, 97360, 121700, 125351, 194720, 243400, 250702, 486800, 501404, 626755, 973600, 1002808, 1253510, 2005616, 2507020, 3133775, 4011232, 5014040, 6267550, 10028080, 12535100, 20056160, 25070200, 50140400, 100280800]

約数ペア:

[(1, 100280800), (2, 50140400), (4, 25070200), (5, 20056160), (8, 12535100), (10, 10028080), (16, 6267550), (20, 5014040), (25, 4011232), (32, 3133775), (40, 2507020), (50, 2005616), (80, 1253510), (100, 1002808), (103, 973600), (160, 626755), (200, 501404), (206, 486800), (400, 250702), (412, 243400), (515, 194720), (800, 125351), (824, 121700), (1030, 97360), (1217, 82400), (1648, 60850), (2060, 48680), (2434, 41200), (2575, 38944), (3296, 30425), (4120, 24340), (4868, 20600), (5150, 19472), (6085, 16480), (8240, 12170), (9736, 10300)]