2012080880

素因数分解:

$2^4\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{22679}}^1$

素因数の和:23801

約数の個数: 40

約数和(自身を含む): 4682512800

約数和(自身を除く): 2670431920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1109, 2218, 4436, 5545, 8872, 11090, 17744, 22180, 22679, 44360, 45358, 88720, 90716, 113395, 181432, 226790, 362864, 453580, 907160, 1814320, 25151011, 50302022, 100604044, 125755055, 201208088, 251510110, 402416176, 503020220, 1006040440, 2012080880]

約数ペア:

[(1, 2012080880), (2, 1006040440), (4, 503020220), (5, 402416176), (8, 251510110), (10, 201208088), (16, 125755055), (20, 100604044), (40, 50302022), (80, 25151011), (1109, 1814320), (2218, 907160), (4436, 453580), (5545, 362864), (8872, 226790), (11090, 181432), (17744, 113395), (22180, 90716), (22679, 88720), (44360, 45358)]