78669280

素因数分解:

$2^5\times 5^1\times {\mathrm{337}}^1\times {\mathrm{1459}}^1$

素因数の和:1811

約数の個数: 48

約数和(自身を含む): 186535440

約数和(自身を除く): 107866160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 337, 674, 1348, 1459, 1685, 2696, 2918, 3370, 5392, 5836, 6740, 7295, 10784, 11672, 13480, 14590, 23344, 26960, 29180, 46688, 53920, 58360, 116720, 233440, 491683, 983366, 1966732, 2458415, 3933464, 4916830, 7866928, 9833660, 15733856, 19667320, 39334640, 78669280]

約数ペア:

[(1, 78669280), (2, 39334640), (4, 19667320), (5, 15733856), (8, 9833660), (10, 7866928), (16, 4916830), (20, 3933464), (32, 2458415), (40, 1966732), (80, 983366), (160, 491683), (337, 233440), (674, 116720), (1348, 58360), (1459, 53920), (1685, 46688), (2696, 29180), (2918, 26960), (3370, 23344), (5392, 14590), (5836, 13480), (6740, 11672), (7295, 10784)]