165301040

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{15773}}^1$

素因数の和:15917

約数の個数: 40

約数和(自身を含む): 387283248

約数和(自身を除く): 221982208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 15773, 31546, 63092, 78865, 126184, 157730, 252368, 315460, 630920, 1261840, 2066263, 4132526, 8265052, 10331315, 16530104, 20662630, 33060208, 41325260, 82650520, 165301040]

約数ペア:

[(1, 165301040), (2, 82650520), (4, 41325260), (5, 33060208), (8, 20662630), (10, 16530104), (16, 10331315), (20, 8265052), (40, 4132526), (80, 2066263), (131, 1261840), (262, 630920), (524, 315460), (655, 252368), (1048, 157730), (1310, 126184), (2096, 78865), (2620, 63092), (5240, 31546), (10480, 15773)]