8478920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 20807280

約数和(自身を除く): 12328360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 68, 74, 85, 136, 148, 170, 185, 296, 337, 340, 370, 629, 674, 680, 740, 1258, 1348, 1480, 1685, 2516, 2696, 3145, 3370, 5032, 5729, 6290, 6740, 11458, 12469, 12580, 13480, 22916, 24938, 25160, 28645, 45832, 49876, 57290, 62345, 99752, 114580, 124690, 211973, 229160, 249380, 423946, 498760, 847892, 1059865, 1695784, 2119730, 4239460, 8478920]

約数ペア:

[(1, 8478920), (2, 4239460), (4, 2119730), (5, 1695784), (8, 1059865), (10, 847892), (17, 498760), (20, 423946), (34, 249380), (37, 229160), (40, 211973), (68, 124690), (74, 114580), (85, 99752), (136, 62345), (148, 57290), (170, 49876), (185, 45832), (296, 28645), (337, 25160), (340, 24938), (370, 22916), (629, 13480), (674, 12580), (680, 12469), (740, 11458), (1258, 6740), (1348, 6290), (1480, 5729), (1685, 5032), (2516, 3370), (2696, 3145)]