977881840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{940271}}^1$

素因数の和:940297

約数の個数: 40

約数和(自身を含む): 2448468288

約数和(自身を除く): 1470586448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 940271, 1880542, 3761084, 4701355, 7522168, 9402710, 12223523, 15044336, 18805420, 24447046, 37610840, 48894092, 61117615, 75221680, 97788184, 122235230, 195576368, 244470460, 488940920, 977881840]

約数ペア:

[(1, 977881840), (2, 488940920), (4, 244470460), (5, 195576368), (8, 122235230), (10, 97788184), (13, 75221680), (16, 61117615), (20, 48894092), (26, 37610840), (40, 24447046), (52, 18805420), (65, 15044336), (80, 12223523), (104, 9402710), (130, 7522168), (208, 4701355), (260, 3761084), (520, 1880542), (1040, 940271)]