78841040

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7523}}^1$

素因数の和:7667

約数の個数: 40

約数和(自身を含む): 184729248

約数和(自身を除く): 105888208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 7523, 10480, 15046, 30092, 37615, 60184, 75230, 120368, 150460, 300920, 601840, 985513, 1971026, 3942052, 4927565, 7884104, 9855130, 15768208, 19710260, 39420520, 78841040]

約数ペア:

[(1, 78841040), (2, 39420520), (4, 19710260), (5, 15768208), (8, 9855130), (10, 7884104), (16, 4927565), (20, 3942052), (40, 1971026), (80, 985513), (131, 601840), (262, 300920), (524, 150460), (655, 120368), (1048, 75230), (1310, 60184), (2096, 37615), (2620, 30092), (5240, 15046), (7523, 10480)]