77722580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9643}}^1$

素因数の和:9696

約数の個数: 48

約数和(自身を含む): 181461504

約数和(自身を除く): 103738924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 9643, 19286, 38572, 48215, 96430, 125359, 192860, 250718, 298933, 501436, 597866, 626795, 1195732, 1253590, 1494665, 2507180, 2989330, 3886129, 5978660, 7772258, 15544516, 19430645, 38861290, 77722580]

約数ペア:

[(1, 77722580), (2, 38861290), (4, 19430645), (5, 15544516), (10, 7772258), (13, 5978660), (20, 3886129), (26, 2989330), (31, 2507180), (52, 1494665), (62, 1253590), (65, 1195732), (124, 626795), (130, 597866), (155, 501436), (260, 298933), (310, 250718), (403, 192860), (620, 125359), (806, 96430), (1612, 48215), (2015, 38572), (4030, 19286), (8060, 9643)]