79999405

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 110605824

約数和(自身を除く): 30606419

約数列:

[1, 5, 19, 23, 41, 47, 95, 115, 205, 235, 361, 437, 779, 893, 943, 1081, 1805, 1927, 2185, 3895, 4465, 4715, 5405, 8303, 9635, 14801, 16967, 17917, 20539, 36613, 41515, 44321, 74005, 84835, 89585, 102695, 183065, 221605, 340423, 390241, 695647, 842099, 1702115, 1951205, 3478235, 4210495, 15999881, 79999405]

約数ペア:

[(1, 79999405), (5, 15999881), (19, 4210495), (23, 3478235), (41, 1951205), (47, 1702115), (95, 842099), (115, 695647), (205, 390241), (235, 340423), (361, 221605), (437, 183065), (779, 102695), (893, 89585), (943, 84835), (1081, 74005), (1805, 44321), (1927, 41515), (2185, 36613), (3895, 20539), (4465, 17917), (4715, 16967), (5405, 14801), (8303, 9635)]