8987240

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2707}}^1$

素因数の和:2801

約数の個数: 32

約数和(自身を含む): 20472480

約数和(自身を除く): 11485240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 2707, 3320, 5414, 10828, 13535, 21656, 27070, 54140, 108280, 224681, 449362, 898724, 1123405, 1797448, 2246810, 4493620, 8987240]

約数ペア:

[(1, 8987240), (2, 4493620), (4, 2246810), (5, 1797448), (8, 1123405), (10, 898724), (20, 449362), (40, 224681), (83, 108280), (166, 54140), (332, 27070), (415, 21656), (664, 13535), (830, 10828), (1660, 5414), (2707, 3320)]