13089520

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1249}}^1$

素因数の和:1393

約数の個数: 40

約数和(自身を含む): 30690000

約数和(自身を除く): 17600480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1249, 1310, 2096, 2498, 2620, 4996, 5240, 6245, 9992, 10480, 12490, 19984, 24980, 49960, 99920, 163619, 327238, 654476, 818095, 1308952, 1636190, 2617904, 3272380, 6544760, 13089520]

約数ペア:

[(1, 13089520), (2, 6544760), (4, 3272380), (5, 2617904), (8, 1636190), (10, 1308952), (16, 818095), (20, 654476), (40, 327238), (80, 163619), (131, 99920), (262, 49960), (524, 24980), (655, 19984), (1048, 12490), (1249, 10480), (1310, 9992), (2096, 6245), (2498, 5240), (2620, 4996)]