20149116625

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:784

約数の個数: 96

約数和(自身を含む): 29040560640

約数和(自身を除く): 8891444015

約数列:

[1, 5, 11, 25, 29, 55, 71, 121, 125, 145, 275, 319, 355, 605, 647, 725, 781, 1375, 1595, 1775, 2059, 3025, 3235, 3509, 3625, 3905, 7117, 7975, 8591, 8875, 10295, 15125, 16175, 17545, 18763, 19525, 22649, 35585, 39875, 42955, 45937, 51475, 78287, 80875, 87725, 93815, 97625, 113245, 177925, 206393, 214775, 229685, 249139, 257375, 391435, 438625, 469075, 505307, 566225, 889625, 1031965, 1073875, 1148425, 1245695, 1332173, 1957175, 2270323, 2345375, 2526535, 2831125, 5159825, 5558377, 5742125, 6228475, 6660865, 9785875, 11351615, 12632675, 14653903, 25799125, 27791885, 31142375, 33304325, 56758075, 63163375, 73269515, 138959425, 161192933, 166521625, 283790375, 366347575, 694797125, 805964665, 1831737875, 4029823325, 20149116625]

約数ペア:

[(1, 20149116625), (5, 4029823325), (11, 1831737875), (25, 805964665), (29, 694797125), (55, 366347575), (71, 283790375), (121, 166521625), (125, 161192933), (145, 138959425), (275, 73269515), (319, 63163375), (355, 56758075), (605, 33304325), (647, 31142375), (725, 27791885), (781, 25799125), (1375, 14653903), (1595, 12632675), (1775, 11351615), (2059, 9785875), (3025, 6660865), (3235, 6228475), (3509, 5742125), (3625, 5558377), (3905, 5159825), (7117, 2831125), (7975, 2526535), (8591, 2345375), (8875, 2270323), (10295, 1957175), (15125, 1332173), (16175, 1245695), (17545, 1148425), (18763, 1073875), (19525, 1031965), (22649, 889625), (35585, 566225), (39875, 505307), (42955, 469075), (45937, 438625), (51475, 391435), (78287, 257375), (80875, 249139), (87725, 229685), (93815, 214775), (97625, 206393), (113245, 177925)]