159900000025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{887}}^1\times {\mathrm{1987}}^1$

素因数の和:3094

約数の個数: 48

約数和(自身を含む): 210146549760

約数和(自身を除く): 50246549735

約数列:

[1, 5, 19, 25, 95, 191, 475, 887, 955, 1987, 3629, 4435, 4775, 9935, 16853, 18145, 22175, 37753, 49675, 84265, 90725, 169417, 188765, 379517, 421325, 847085, 943825, 1762469, 1897585, 3218923, 4235425, 7210823, 8812345, 9487925, 16094615, 33486911, 36054115, 44061725, 80473075, 167434555, 180270575, 336631579, 837172775, 1683157895, 6396000001, 8415789475, 31980000005, 159900000025]

約数ペア:

[(1, 159900000025), (5, 31980000005), (19, 8415789475), (25, 6396000001), (95, 1683157895), (191, 837172775), (475, 336631579), (887, 180270575), (955, 167434555), (1987, 80473075), (3629, 44061725), (4435, 36054115), (4775, 33486911), (9935, 16094615), (16853, 9487925), (18145, 8812345), (22175, 7210823), (37753, 4235425), (49675, 3218923), (84265, 1897585), (90725, 1762469), (169417, 943825), (188765, 847085), (379517, 421325)]