85027420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4729}}^1$

素因数の和:4798

約数の個数: 48

約数和(自身を含む): 190713600

約数和(自身を除く): 105686180

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1798, 3596, 4495, 4729, 8990, 9458, 17980, 18916, 23645, 47290, 94580, 137141, 146599, 274282, 293198, 548564, 586396, 685705, 732995, 1371410, 1465990, 2742820, 2931980, 4251371, 8502742, 17005484, 21256855, 42513710, 85027420]

約数ペア:

[(1, 85027420), (2, 42513710), (4, 21256855), (5, 17005484), (10, 8502742), (20, 4251371), (29, 2931980), (31, 2742820), (58, 1465990), (62, 1371410), (116, 732995), (124, 685705), (145, 586396), (155, 548564), (290, 293198), (310, 274282), (580, 146599), (620, 137141), (899, 94580), (1798, 47290), (3596, 23645), (4495, 18916), (4729, 17980), (8990, 9458)]