2149204520

素因数分解:

$2^3\times 5^1\times {\mathrm{53730113}}^1$

素因数の和:53730124

約数の個数: 16

約数和(自身を含む): 4835710260

約数和(自身を除く): 2686505740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53730113, 107460226, 214920452, 268650565, 429840904, 537301130, 1074602260, 2149204520]

約数ペア:

[(1, 2149204520), (2, 1074602260), (4, 537301130), (5, 429840904), (8, 268650565), (10, 214920452), (20, 107460226), (40, 53730113)]