4394480

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{337}}^1$

素因数の和:513

約数の個数: 40

約数和(自身を含む): 10310352

約数和(自身を除く): 5915872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 337, 652, 674, 815, 1304, 1348, 1630, 1685, 2608, 2696, 3260, 3370, 5392, 6520, 6740, 13040, 13480, 26960, 54931, 109862, 219724, 274655, 439448, 549310, 878896, 1098620, 2197240, 4394480]

約数ペア:

[(1, 4394480), (2, 2197240), (4, 1098620), (5, 878896), (8, 549310), (10, 439448), (16, 274655), (20, 219724), (40, 109862), (80, 54931), (163, 26960), (326, 13480), (337, 13040), (652, 6740), (674, 6520), (815, 5392), (1304, 3370), (1348, 3260), (1630, 2696), (1685, 2608)]