25709128

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2141}}^1$

素因数の和:2245

約数の個数: 32

約数和(自身を含む): 51408000

約数和(自身を除く): 25698872

約数列:

[1, 2, 4, 8, 19, 38, 76, 79, 152, 158, 316, 632, 1501, 2141, 3002, 4282, 6004, 8564, 12008, 17128, 40679, 81358, 162716, 169139, 325432, 338278, 676556, 1353112, 3213641, 6427282, 12854564, 25709128]

約数ペア:

[(1, 25709128), (2, 12854564), (4, 6427282), (8, 3213641), (19, 1353112), (38, 676556), (76, 338278), (79, 325432), (152, 169139), (158, 162716), (316, 81358), (632, 40679), (1501, 17128), (2141, 12008), (3002, 8564), (4282, 6004)]