80149825

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{19913}}^1$

素因数の和:19953

約数の個数: 24

約数和(自身を含む): 118528128

約数和(自身を除く): 38378303

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025, 19913, 99565, 139391, 457999, 497825, 696955, 2289995, 3205993, 3484775, 11449975, 16029965, 80149825]

約数ペア:

[(1, 80149825), (5, 16029965), (7, 11449975), (23, 3484775), (25, 3205993), (35, 2289995), (115, 696955), (161, 497825), (175, 457999), (575, 139391), (805, 99565), (4025, 19913)]