64240840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{69827}}^1$

素因数の和:69861

約数の個数: 32

約数和(自身を含む): 150828480

約数和(自身を除く): 86587640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 69827, 139654, 279308, 349135, 558616, 698270, 1396540, 1606021, 2793080, 3212042, 6424084, 8030105, 12848168, 16060210, 32120420, 64240840]

約数ペア:

[(1, 64240840), (2, 32120420), (4, 16060210), (5, 12848168), (8, 8030105), (10, 6424084), (20, 3212042), (23, 2793080), (40, 1606021), (46, 1396540), (92, 698270), (115, 558616), (184, 349135), (230, 279308), (460, 139654), (920, 69827)]