12703645

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1999}}^1$

素因数の和:2076

約数の個数: 16

約数和(自身を含む): 16128000

約数和(自身を除く): 3424355

約数列:

[1, 5, 31, 41, 155, 205, 1271, 1999, 6355, 9995, 61969, 81959, 309845, 409795, 2540729, 12703645]

約数ペア:

[(1, 12703645), (5, 2540729), (31, 409795), (41, 309845), (155, 81959), (205, 61969), (1271, 9995), (1999, 6355)]