64915660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{141121}}^1$

素因数の和:141153

約数の個数: 24

約数和(自身を含む): 142250976

約数和(自身を除く): 77335316

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 141121, 282242, 564484, 705605, 1411210, 2822420, 3245783, 6491566, 12983132, 16228915, 32457830, 64915660]

約数ペア:

[(1, 64915660), (2, 32457830), (4, 16228915), (5, 12983132), (10, 6491566), (20, 3245783), (23, 2822420), (46, 1411210), (92, 705605), (115, 564484), (230, 282242), (460, 141121)]