407464240

素因数分解:

$2^4\times 5^1\times {\mathrm{5093303}}^1$

素因数の和:5093316

約数の個数: 20

約数和(自身を含む): 947354544

約数和(自身を除く): 539890304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5093303, 10186606, 20373212, 25466515, 40746424, 50933030, 81492848, 101866060, 203732120, 407464240]

約数ペア:

[(1, 407464240), (2, 203732120), (4, 101866060), (5, 81492848), (8, 50933030), (10, 40746424), (16, 25466515), (20, 20373212), (40, 10186606), (80, 5093303)]