2018444240

素因数分解:

$2^4\times 5^1\times {\mathrm{25230553}}^1$

素因数の和:25230566

約数の個数: 20

約数和(自身を含む): 4692883044

約数和(自身を除く): 2674438804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25230553, 50461106, 100922212, 126152765, 201844424, 252305530, 403688848, 504611060, 1009222120, 2018444240]

約数ペア:

[(1, 2018444240), (2, 1009222120), (4, 504611060), (5, 403688848), (8, 252305530), (10, 201844424), (16, 126152765), (20, 100922212), (40, 50461106), (80, 25230553)]