206510840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{166541}}^1$

素因数の和:166583

約数の個数: 32

約数和(自身を含む): 479640960

約数和(自身を除く): 273130120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 166541, 333082, 666164, 832705, 1332328, 1665410, 3330820, 5162771, 6661640, 10325542, 20651084, 25813855, 41302168, 51627710, 103255420, 206510840]

約数ペア:

[(1, 206510840), (2, 103255420), (4, 51627710), (5, 41302168), (8, 25813855), (10, 20651084), (20, 10325542), (31, 6661640), (40, 5162771), (62, 3330820), (124, 1665410), (155, 1332328), (248, 832705), (310, 666164), (620, 333082), (1240, 166541)]