9961720

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{739}}^1$

素因数の和:1087

約数の個数: 32

約数和(自身を含む): 22510800

約数和(自身を除く): 12549080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 739, 1348, 1478, 1685, 2696, 2956, 3370, 3695, 5912, 6740, 7390, 13480, 14780, 29560, 249043, 498086, 996172, 1245215, 1992344, 2490430, 4980860, 9961720]

約数ペア:

[(1, 9961720), (2, 4980860), (4, 2490430), (5, 1992344), (8, 1245215), (10, 996172), (20, 498086), (40, 249043), (337, 29560), (674, 14780), (739, 13480), (1348, 7390), (1478, 6740), (1685, 5912), (2696, 3695), (2956, 3370)]