64716940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{140689}}^1$

素因数の和:140721

約数の個数: 24

約数和(自身を含む): 141815520

約数和(自身を除く): 77098580

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 140689, 281378, 562756, 703445, 1406890, 2813780, 3235847, 6471694, 12943388, 16179235, 32358470, 64716940]

約数ペア:

[(1, 64716940), (2, 32358470), (4, 16179235), (5, 12943388), (10, 6471694), (20, 3235847), (23, 2813780), (46, 1406890), (92, 703445), (115, 562756), (230, 281378), (460, 140689)]