6544760

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1249}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 14850000

約数和(自身を除く): 8305240

約数列:

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

約数ペア:

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