56400220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{165883}}^1$

素因数の和:165909

約数の個数: 24

約数和(自身を含む): 125408304

約数和(自身を除く): 69008084

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 165883, 331766, 663532, 829415, 1658830, 2820011, 3317660, 5640022, 11280044, 14100055, 28200110, 56400220]

約数ペア:

[(1, 56400220), (2, 28200110), (4, 14100055), (5, 11280044), (10, 5640022), (17, 3317660), (20, 2820011), (34, 1658830), (68, 829415), (85, 663532), (170, 331766), (340, 165883)]