26828060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2699}}^1$

素因数の和:2786

約数の個数: 48

約数和(自身を含む): 65318400

約数和(自身を除く): 38490340

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, 2699, 4970, 5398, 9940, 10796, 13495, 18893, 26990, 37786, 53980, 75572, 94465, 188930, 191629, 377860, 383258, 766516, 958145, 1341403, 1916290, 2682806, 3832580, 5365612, 6707015, 13414030, 26828060]

約数ペア:

[(1, 26828060), (2, 13414030), (4, 6707015), (5, 5365612), (7, 3832580), (10, 2682806), (14, 1916290), (20, 1341403), (28, 958145), (35, 766516), (70, 383258), (71, 377860), (140, 191629), (142, 188930), (284, 94465), (355, 75572), (497, 53980), (710, 37786), (994, 26990), (1420, 18893), (1988, 13495), (2485, 10796), (2699, 9940), (4970, 5398)]