65608780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{11351}}^1$

素因数の和:11394

約数の個数: 36

約数和(自身を含む): 146372688

約数和(自身を除く): 80763908

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 11351, 22702, 45404, 56755, 113510, 192967, 227020, 385934, 771868, 964835, 1929670, 3280439, 3859340, 6560878, 13121756, 16402195, 32804390, 65608780]

約数ペア:

[(1, 65608780), (2, 32804390), (4, 16402195), (5, 13121756), (10, 6560878), (17, 3859340), (20, 3280439), (34, 1929670), (68, 964835), (85, 771868), (170, 385934), (289, 227020), (340, 192967), (578, 113510), (1156, 56755), (1445, 45404), (2890, 22702), (5780, 11351)]