85144760

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{16249}}^1$

素因数の和:16391

約数の個数: 32

約数和(自身を含む): 193050000

約数和(自身を除く): 107905240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 16249, 32498, 64996, 81245, 129992, 162490, 324980, 649960, 2128619, 4257238, 8514476, 10643095, 17028952, 21286190, 42572380, 85144760]

約数ペア:

[(1, 85144760), (2, 42572380), (4, 21286190), (5, 17028952), (8, 10643095), (10, 8514476), (20, 4257238), (40, 2128619), (131, 649960), (262, 324980), (524, 162490), (655, 129992), (1048, 81245), (1310, 64996), (2620, 32498), (5240, 16249)]