90002020

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{16729}}^1$

素因数の和:17007

約数の個数: 24

約数和(自身を含む): 189718200

約数和(自身を除く): 99716180

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5380, 16729, 33458, 66916, 83645, 167290, 334580, 4500101, 9000202, 18000404, 22500505, 45001010, 90002020]

約数ペア:

[(1, 90002020), (2, 45001010), (4, 22500505), (5, 18000404), (10, 9000202), (20, 4500101), (269, 334580), (538, 167290), (1076, 83645), (1345, 66916), (2690, 33458), (5380, 16729)]