20160820225

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1777}}^1\times {\mathrm{4987}}^1$

素因数の和:6794

約数の個数: 48

約数和(自身を含む): 30792001408

約数和(自身を除く): 10631181183

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 1777, 2275, 4987, 8885, 12439, 23101, 24935, 34909, 44425, 62195, 64831, 115505, 124675, 161707, 174545, 310975, 324155, 453817, 577525, 808535, 872725, 1620775, 2269085, 4042675, 8861899, 11345425, 44309495, 62033293, 115204687, 221547475, 310166465, 576023435, 806432809, 1550832325, 2880117175, 4032164045, 20160820225]

約数ペア:

[(1, 20160820225), (5, 4032164045), (7, 2880117175), (13, 1550832325), (25, 806432809), (35, 576023435), (65, 310166465), (91, 221547475), (175, 115204687), (325, 62033293), (455, 44309495), (1777, 11345425), (2275, 8861899), (4987, 4042675), (8885, 2269085), (12439, 1620775), (23101, 872725), (24935, 808535), (34909, 577525), (44425, 453817), (62195, 324155), (64831, 310975), (115505, 174545), (124675, 161707)]