2107939698520

素因数分解:

$2^3\times 5^1\times {\mathrm{437321}}^1\times {\mathrm{120503}}^1$

素因数の和:557835

約数の個数: 32

約数和(自身を含む): 4742914525920

約数和(自身を除く): 2634974827400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 120503, 241006, 437321, 482012, 602515, 874642, 964024, 1205030, 1749284, 2186605, 2410060, 3498568, 4373210, 4820120, 8746420, 17492840, 52698492463, 105396984926, 210793969852, 263492462315, 421587939704, 526984924630, 1053969849260, 2107939698520]

約数ペア:

[(1, 2107939698520), (2, 1053969849260), (4, 526984924630), (5, 421587939704), (8, 263492462315), (10, 210793969852), (20, 105396984926), (40, 52698492463), (120503, 17492840), (241006, 8746420), (437321, 4820120), (482012, 4373210), (602515, 3498568), (874642, 2410060), (964024, 2186605), (1205030, 1749284)]