48980240

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:300

約数の個数: 80

約数和(自身を含む): 118586160

約数和(自身を除く): 69605920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 109, 137, 164, 205, 218, 274, 328, 410, 436, 545, 548, 656, 685, 820, 872, 1090, 1096, 1370, 1640, 1744, 2180, 2192, 2740, 3280, 4360, 4469, 5480, 5617, 8720, 8938, 10960, 11234, 14933, 17876, 22345, 22468, 28085, 29866, 35752, 44690, 44936, 56170, 59732, 71504, 74665, 89380, 89872, 112340, 119464, 149330, 178760, 224680, 238928, 298660, 357520, 449360, 597320, 612253, 1194640, 1224506, 2449012, 3061265, 4898024, 6122530, 9796048, 12245060, 24490120, 48980240]

約数ペア:

[(1, 48980240), (2, 24490120), (4, 12245060), (5, 9796048), (8, 6122530), (10, 4898024), (16, 3061265), (20, 2449012), (40, 1224506), (41, 1194640), (80, 612253), (82, 597320), (109, 449360), (137, 357520), (164, 298660), (205, 238928), (218, 224680), (274, 178760), (328, 149330), (410, 119464), (436, 112340), (545, 89872), (548, 89380), (656, 74665), (685, 71504), (820, 59732), (872, 56170), (1090, 44936), (1096, 44690), (1370, 35752), (1640, 29866), (1744, 28085), (2180, 22468), (2192, 22345), (2740, 17876), (3280, 14933), (4360, 11234), (4469, 10960), (5480, 8938), (5617, 8720)]