20146567525

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{3461}}^1$

素因数の和:3575

約数の個数: 96

約数和(自身を含む): 31320852480

約数和(自身を除く): 11174284955

約数列:

[1, 5, 7, 25, 29, 31, 35, 37, 145, 155, 175, 185, 203, 217, 259, 725, 775, 899, 925, 1015, 1073, 1085, 1147, 1295, 3461, 4495, 5075, 5365, 5425, 5735, 6293, 6475, 7511, 8029, 17305, 22475, 24227, 26825, 28675, 31465, 33263, 37555, 40145, 86525, 100369, 107291, 121135, 128057, 157325, 166315, 187775, 200725, 232841, 501845, 536455, 605675, 640285, 702583, 751037, 831575, 896399, 1164205, 2509225, 2682275, 3111439, 3201425, 3512915, 3713653, 3755185, 3969767, 4481995, 5821025, 15557195, 17564575, 18568265, 18775925, 19848835, 21780073, 22409975, 25995571, 27788369, 77785975, 92841325, 99244175, 108900365, 115123243, 129977855, 138941845, 544501825, 575616215, 649889275, 694709225, 805862701, 2878081075, 4029313505, 20146567525]

約数ペア:

[(1, 20146567525), (5, 4029313505), (7, 2878081075), (25, 805862701), (29, 694709225), (31, 649889275), (35, 575616215), (37, 544501825), (145, 138941845), (155, 129977855), (175, 115123243), (185, 108900365), (203, 99244175), (217, 92841325), (259, 77785975), (725, 27788369), (775, 25995571), (899, 22409975), (925, 21780073), (1015, 19848835), (1073, 18775925), (1085, 18568265), (1147, 17564575), (1295, 15557195), (3461, 5821025), (4495, 4481995), (5075, 3969767), (5365, 3755185), (5425, 3713653), (5735, 3512915), (6293, 3201425), (6475, 3111439), (7511, 2682275), (8029, 2509225), (17305, 1164205), (22475, 896399), (24227, 831575), (26825, 751037), (28675, 702583), (31465, 640285), (33263, 605675), (37555, 536455), (40145, 501845), (86525, 232841), (100369, 200725), (107291, 187775), (121135, 166315), (128057, 157325)]