64978220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{141257}}^1$

素因数の和:141289

約数の個数: 24

約数和(自身を含む): 142388064

約数和(自身を除く): 77409844

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 141257, 282514, 565028, 706285, 1412570, 2825140, 3248911, 6497822, 12995644, 16244555, 32489110, 64978220]

約数ペア:

[(1, 64978220), (2, 32489110), (4, 16244555), (5, 12995644), (10, 6497822), (20, 3248911), (23, 2825140), (46, 1412570), (92, 706285), (115, 565028), (230, 282514), (460, 141257)]