42890920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{26153}}^1$

素因数の和:26205

約数の個数: 32

約数和(自身を含む): 98862120

約数和(自身を除く): 55971200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 26153, 52306, 104612, 130765, 209224, 261530, 523060, 1046120, 1072273, 2144546, 4289092, 5361365, 8578184, 10722730, 21445460, 42890920]

約数ペア:

[(1, 42890920), (2, 21445460), (4, 10722730), (5, 8578184), (8, 5361365), (10, 4289092), (20, 2144546), (40, 1072273), (41, 1046120), (82, 523060), (164, 261530), (205, 209224), (328, 130765), (410, 104612), (820, 52306), (1640, 26153)]