47972080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:458

約数の個数: 80

約数和(自身を含む): 121242240

約数和(自身を除く): 73270160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 193, 208, 239, 260, 386, 478, 520, 772, 956, 965, 1040, 1195, 1544, 1912, 1930, 2390, 2509, 3088, 3107, 3824, 3860, 4780, 5018, 6214, 7720, 9560, 10036, 12428, 12545, 15440, 15535, 19120, 20072, 24856, 25090, 31070, 40144, 46127, 49712, 50180, 62140, 92254, 100360, 124280, 184508, 200720, 230635, 248560, 369016, 461270, 599651, 738032, 922540, 1199302, 1845080, 2398604, 2998255, 3690160, 4797208, 5996510, 9594416, 11993020, 23986040, 47972080]

約数ペア:

[(1, 47972080), (2, 23986040), (4, 11993020), (5, 9594416), (8, 5996510), (10, 4797208), (13, 3690160), (16, 2998255), (20, 2398604), (26, 1845080), (40, 1199302), (52, 922540), (65, 738032), (80, 599651), (104, 461270), (130, 369016), (193, 248560), (208, 230635), (239, 200720), (260, 184508), (386, 124280), (478, 100360), (520, 92254), (772, 62140), (956, 50180), (965, 49712), (1040, 46127), (1195, 40144), (1544, 31070), (1912, 25090), (1930, 24856), (2390, 20072), (2509, 19120), (3088, 15535), (3107, 15440), (3824, 12545), (3860, 12428), (4780, 10036), (5018, 9560), (6214, 7720)]