859627240

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{164051}}^1$

素因数の和:164193

約数の個数: 32

約数和(自身を含む): 1948937760

約数和(自身を除く): 1089310520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 164051, 328102, 656204, 820255, 1312408, 1640510, 3281020, 6562040, 21490681, 42981362, 85962724, 107453405, 171925448, 214906810, 429813620, 859627240]

約数ペア:

[(1, 859627240), (2, 429813620), (4, 214906810), (5, 171925448), (8, 107453405), (10, 85962724), (20, 42981362), (40, 21490681), (131, 6562040), (262, 3281020), (524, 1640510), (655, 1312408), (1048, 820255), (1310, 656204), (2620, 328102), (5240, 164051)]