64210580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{65521}}^1$

素因数の和:65544

約数の個数: 36

約数和(自身を含む): 156859668

約数和(自身を除く): 92649088

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 65521, 131042, 262084, 327605, 458647, 655210, 917294, 1310420, 1834588, 2293235, 3210529, 4586470, 6421058, 9172940, 12842116, 16052645, 32105290, 64210580]

約数ペア:

[(1, 64210580), (2, 32105290), (4, 16052645), (5, 12842116), (7, 9172940), (10, 6421058), (14, 4586470), (20, 3210529), (28, 2293235), (35, 1834588), (49, 1310420), (70, 917294), (98, 655210), (140, 458647), (196, 327605), (245, 262084), (490, 131042), (980, 65521)]