26172020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2633}}^1$

素因数の和:2720

約数の個数: 48

約数和(自身を含む): 63721728

約数和(自身を除く): 37549708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 2633, 4970, 5266, 9940, 10532, 13165, 18431, 26330, 36862, 52660, 73724, 92155, 184310, 186943, 368620, 373886, 747772, 934715, 1308601, 1869430, 2617202, 3738860, 5234404, 6543005, 13086010, 26172020]

約数ペア:

[(1, 26172020), (2, 13086010), (4, 6543005), (5, 5234404), (7, 3738860), (10, 2617202), (14, 1869430), (20, 1308601), (28, 934715), (35, 747772), (70, 373886), (71, 368620), (140, 186943), (142, 184310), (284, 92155), (355, 73724), (497, 52660), (710, 36862), (994, 26330), (1420, 18431), (1988, 13165), (2485, 10532), (2633, 9940), (4970, 5266)]