40949980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49939}}^1$

素因数の和:49989

約数の個数: 24

約数和(自身を含む): 88094160

約数和(自身を除く): 47144180

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 49939, 99878, 199756, 249695, 499390, 998780, 2047499, 4094998, 8189996, 10237495, 20474990, 40949980]

約数ペア:

[(1, 40949980), (2, 20474990), (4, 10237495), (5, 8189996), (10, 4094998), (20, 2047499), (41, 998780), (82, 499390), (164, 249695), (205, 199756), (410, 99878), (820, 49939)]