204039760

素因数分解:

$2^4\times 5^1\times {\mathrm{2550497}}^1$

素因数の和:2550510

約数の個数: 20

約数和(自身を含む): 474392628

約数和(自身を除く): 270352868

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2550497, 5100994, 10201988, 12752485, 20403976, 25504970, 40807952, 51009940, 102019880, 204039760]

約数ペア:

[(1, 204039760), (2, 102019880), (4, 51009940), (5, 40807952), (8, 25504970), (10, 20403976), (16, 12752485), (20, 10201988), (40, 5100994), (80, 2550497)]