1640291290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{33211}}^1$

素因数の和:33678

約数の個数: 32

約数和(自身を含む): 3228206400

約数和(自身を除く): 1587915110

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 449, 898, 2245, 4490, 4939, 9878, 24695, 33211, 49390, 66422, 166055, 332110, 365321, 730642, 1826605, 3653210, 14911739, 29823478, 74558695, 149117390, 164029129, 328058258, 820145645, 1640291290]

約数ペア:

[(1, 1640291290), (2, 820145645), (5, 328058258), (10, 164029129), (11, 149117390), (22, 74558695), (55, 29823478), (110, 14911739), (449, 3653210), (898, 1826605), (2245, 730642), (4490, 365321), (4939, 332110), (9878, 166055), (24695, 66422), (33211, 49390)]