26911640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{431}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 69672960

約数和(自身を除く): 42761320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 223, 280, 431, 446, 862, 892, 1115, 1561, 1724, 1784, 2155, 2230, 3017, 3122, 3448, 4310, 4460, 6034, 6244, 7805, 8620, 8920, 12068, 12488, 15085, 15610, 17240, 24136, 30170, 31220, 60340, 62440, 96113, 120680, 192226, 384452, 480565, 672791, 768904, 961130, 1345582, 1922260, 2691164, 3363955, 3844520, 5382328, 6727910, 13455820, 26911640]

約数ペア:

[(1, 26911640), (2, 13455820), (4, 6727910), (5, 5382328), (7, 3844520), (8, 3363955), (10, 2691164), (14, 1922260), (20, 1345582), (28, 961130), (35, 768904), (40, 672791), (56, 480565), (70, 384452), (140, 192226), (223, 120680), (280, 96113), (431, 62440), (446, 60340), (862, 31220), (892, 30170), (1115, 24136), (1561, 17240), (1724, 15610), (1784, 15085), (2155, 12488), (2230, 12068), (3017, 8920), (3122, 8620), (3448, 7805), (4310, 6244), (4460, 6034)]