39420520

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7523}}^1$

素因数の和:7665

約数の個数: 32

約数和(自身を含む): 89385120

約数和(自身を除く): 49964600

約数列:

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

約数ペア:

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