85605940

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{12479}}^1$

素因数の和:12509

約数の個数: 48

約数和(自身を含む): 209664000

約数和(自身を除く): 124058060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 12479, 24958, 49916, 62395, 87353, 124790, 174706, 249580, 349412, 436765, 611471, 873530, 1222942, 1747060, 2445884, 3057355, 4280297, 6114710, 8560594, 12229420, 17121188, 21401485, 42802970, 85605940]

約数ペア:

[(1, 85605940), (2, 42802970), (4, 21401485), (5, 17121188), (7, 12229420), (10, 8560594), (14, 6114710), (20, 4280297), (28, 3057355), (35, 2445884), (49, 1747060), (70, 1222942), (98, 873530), (140, 611471), (196, 436765), (245, 349412), (343, 249580), (490, 174706), (686, 124790), (980, 87353), (1372, 62395), (1715, 49916), (3430, 24958), (6860, 12479)]