25509770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17839}}^1$

素因数の和:17870

約数の個数: 32

約数和(自身を含む): 53948160

約数和(自身を除く): 28438390

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 17839, 35678, 89195, 178390, 196229, 231907, 392458, 463814, 981145, 1159535, 1962290, 2319070, 2550977, 5101954, 12754885, 25509770]

約数ペア:

[(1, 25509770), (2, 12754885), (5, 5101954), (10, 2550977), (11, 2319070), (13, 1962290), (22, 1159535), (26, 981145), (55, 463814), (65, 392458), (110, 231907), (130, 196229), (143, 178390), (286, 89195), (715, 35678), (1430, 17839)]